Explore The Science
and Innovation
Behind HAIRMDL®

HAIRMDL® combines advanced science and innovative ingredients for superior hair restoration results.

About Product

The Advanced Hair
Restoration Solution
for Men and Women

A Science-Driven
Formula for Powerful,
Long-Lasting Results

HAIRMDL® is a revolutionary hair restoration solution developed by Dr. Herbert Feinberg, combining advanced science with powerful ingredients like Minoxidil, Dutasteride, and Latanoprost.

HAIRMDL® is designed for both men and women to stimulate regrowth and restore fullness. The 3 oz foam dispenser offers double the volume of other treatments, providing great value. With Dr. Feinberg personally reviewing patient forms, HAIRMDL® delivers superior results, boosting confidence and offering effective hair restoration.

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About

Meet Dr. Feinberg.
Your Trusted Hair
Restoration Expert

Dr. Herbert Feinberg
Has Completed 5,000+
Hair Transplants

Dr. Herbert Feinberg leads one of the most experienced hair loss specialist teams in the U.S. He is recognized as one of the world’s leading hair transplant surgeons. With over 30 years of expertise, he founded HAIRMD, a hair restoration center recognized by New World Report as the Most Advanced Hair Transplantation Specialist in the North Atlantic USA. Dr. Feinberg was the first in NJ to use the ARTAS Robotic FUE machine and microscopes for FUTs.

Dr. Feinberg is a board-certified Diplomate of the American Board of Dermatology and a Fellow of the American Academy of Dermatology. He is past president of the North Jersey Dermatological Society and past Chairman of The Cosmetics and Skin Care Committee of the Bergen County Medical Society. His memberships include the International Society of Hair Restoration Surgery, the American Society for Dermatologic Surgery, the International Society of Cosmetic Surgery, American Academy of Cosmetic Surgery and the American Society for Laser Medicine and Surgery.

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Achievements

Backed by Science
and Proven to Deliver
Visible Results

Satisfied Patients

5,000+

See Regrowth in 4-12 Weeks

90%

Years to Develop HairMDL®

20+
Dr. Feinberg Certifications
Artas Clinical Excellence
Artas Bronze Awards
Plastic Surgery Select Surgeons
American Board of Dermatology
American Society for Dermatologic Surgery
International Society of Hair Restoration Surgery

The Essential
Ingredients for
Optimal Results

Latanoprost

Usage

Latanoprost is primarily used to treat glaucoma and ocular hypertension.
However, it has been found to stimulate eyelash growth and may have potential applications in treating hair loss.

Side Effects

Possible side effects may include eye irritation, darkening of the iris, and increased pigmentation of the eyelashes if inadvertently applied to the eyes.

Adverse Effects

In some cases, Latanoprost may cause allergic reactions or exacerbate eye conditions. Discontinue use and consult a healthcare professional if you experience any adverse effects.

Topical Latanoprost - Drug Facts

  • Generic Name: Latanoprost
  • Brand Names: None available for topical use. It is commonly compounded by pharmacies.
  • Drug Class: Prostaglandin Analog

Uses

Topical Latanoprost is primarily used off-label for stimulating hair growth, particularly in the treatment of androgenetic alopecia (male-pattern baldness). It is believed to promote hair growth by prolonging the anagen (growth) phase of hair follicles and increasing the size of hair follicles.

Mechanism of Action

Its mechanism of action in promoting hair growth is not fully understood but is thought to involve stimulation of prostaglandin receptors and modulation of hair follicle activity.

Dosage Forms and Strengths

Topical Latanoprost is typically compounded into a solution or suspension by pharmacies. Common strengths used for hair growth range from 0.01% to 0.1%.

Administration:

  • Apply a small amount of the topical solution or suspension to the affected areas of the scalp once daily, usually in the evening.
  • Ensure that the scalp is clean and dry before application.
  • Gently massage the solution into the scalp with fingertips to promote absorption.
  • Wash hands thoroughly after application to avoid inadvertent contact with other areas of the body, especially the eyes.

Side Effects

Common side effects of topical Latanoprost may include:

  • Scalp irritation or itching
  • Redness or dryness of the scalpIncreased growth of fine vellus hairs (temporary)
  • Changes in hair texture or color
  • Mild burning or stinging sensation upon application

Adverse Reactions:

Serious adverse reactions with topical Latanoprost are rare but may include:

  • Allergic reactions, such as rash, swelling, or itching at the application site;
  • Excessive hair growth in unintended areas if the solution comes into contact with adjacent skin;
  • Eye irritation or changes in iris pigmentation if inadvertently applied to the eyes;

Precautions and Warnings

  • Topical Latanoprost should be used with caution in individuals with a history of hypersensitivity reactions to prostaglandins or any components of the formulation.
  • Avoid applying the solution to broken or irritated skin, as it may increase the risk of systemic absorption and adverse effects.
  • Pregnant or breastfeeding individuals should consult with a healthcare professional before using topical Latanoprost.

Drug Interactions

There are no significant drug interactions reported with topical Latanoprost when used for hair growth. However, patients should inform their healthcare provider about all medications, including topical products and supplements, before starting treatment with Latanoprost.

Storage

Store topical Latanoprost solution or suspension according to the instructions provided by the compounding pharmacy. Typically, it should be stored at room temperature away from light and moisture. Do not freeze the solution or expose it to extreme heat.

Disclaimer

This information is provided for educational purposes only and should not be considered as medical advice. Always consult with your healthcare provider or pharmacist regarding any questions or concerns about topical Latanoprost or any other medication.‍

Minoxidil

Usage

Minoxidil is a vasodilator used to treat hair loss, particularly male and female pattern baldness. It works by promoting hair growth and prolonging the growth phase of hair follicles.

Side Effects

Common side effects may include scalp irritation, itching, and dryness. In some cases, users may experience unwanted hair growth in unintended areas.

Adverse Effects

Rarely, Minoxidil may lead to more severe side effects such as chest pain, rapid heartbeat, or dizziness. If you experience any adverse reactions, discontinue use and seek medical attention promptly.

Topical Minoxidil - Drug Facts

 

  • Generic Name: Minoxidil
  • Brand Names: Rogaine, Regaine, others
  • Drug Class: Vasodilator

Uses

Topical minoxidil is primarily used to promote hair growth in individuals with androgenetic alopecia (male-pattern or female-pattern baldness). It is also sometimes used to treat other forms of hair loss, such as alopecia areata.

Mechanism of Action:

Minoxidil works by dilating blood vessels in the scalp, which may increase blood flow to hair follicles and promote hair growth. The exact mechanism of action is not fully understood, but it is believed to prolong the anagen (growth) phase of hair follicles and stimulate hair regrowth.

Dosage Forms and Strengths

Topical minoxidil is available as a solution, foam, or spray for application to the scalp. Common strengths include 2% and 5% solutions or foams, or with higher concentrations typically used for men.

Administration

  • Apply the prescribed amount of minoxidil solution or foam to dry scalp areas where hair loss is occurring.
  • Gently massage the solution into the scalp with fingertips to ensure even distribution and absorption.
  • Use minoxidil as directed by your healthcare provider, typically once or twice daily.
  • Wash hands thoroughly after application to avoid unintentional contact with other areas of the body.

Side Effects

Common side effects of topical minoxidil may include:

  • Scalp irritation or itching
  • Dryness or flakiness of the scalp
  • Increased hair shedding during the initial weeks of treatment (often temporary)
  • Unwanted hair growth on the face or other areas if the solution comes into contact with adjacent skin

Adverse Reactions

Serious adverse reactions with topical minoxidil are rare but may include:

  • Allergic reactions, such as rash, swelling, or itching at the application site
  • Rapid or irregular heartbeat (palpitations)
  • Dizziness or lightheadedness
  • Chest pain or difficulty breathing

Precautions and Warnings

  • Topical minoxidil should not be applied to irritated or sunburned skin, as it may increase the risk of absorption and adverse effects.
  • Avoid getting minoxidil in your eyes, mouth, or other mucous membranes. If accidental exposure occurs, rinse thoroughly with water.
  • Women who are pregnant or breastfeeding should consult with a healthcare professional before using minoxidil.

Drug Interactions

There are no significant drug interactions reported with topical minoxidil when used for hair growth. However, patients should inform their healthcare provider about all medications, including topical products and supplements, before starting treatment with minoxidil.

Storage

Store topical minoxidil solution, foam, or spray according to the instructions provided by the manufacturer. Typically, it should be stored at room temperature away from light and moisture. Do not freeze the solution or expose it to extreme heat.

Disclaimer

This information is provided for educational purposes only and should not be considered as medical advice. Always consult with your healthcare provider or pharmacist regarding any questions or concerns about topical minoxidil or any other medication.

Dutasteride

Usage

Dutasteride is a medication primarily used to treat enlarged prostate glands in men. It inhibits the conversion of testosterone to dihydrotestosterone (DHT), which can contribute to hair loss.

Side Effects

Common side effects may include decreased libido, erectile dysfunction, and breast tenderness or enlargement in men.

Adverse Effects

Dutasteride may increase the risk of high-grade prostate cancer and should be used with caution, especially in individuals with a family history of prostate cancer.

Topical Dutasteride - Drug Facts

 

  • Generic Name: Dutasteride
  • Brand Names: Avodart, others
  • Drug Class: 5-alpha Reductase Inhibitor

Uses

Topical Dutasteride is primarily used off-label for the treatment of androgenetic alopecia (male-pattern baldness) in men. It works by inhibiting the enzyme 5-alpha reductase, which reduces the conversion of testosterone to dihydrotestosterone (DHT), a hormone associated with hair loss.


Mechanism of Action

Dutasteride inhibits both type 1 and type 2 isoforms of 5-alpha reductase, thereby reducing the levels of DHT in the scalp. By lowering DHT levels, Dutasteride may help to slow down or reverse the miniaturization of hair follicles and promote hair regrowth.

Dosage Forms and Strengths

Topical Dutasteride is typically compounded into a solution or suspension by pharmacies. Common strengths used for hair growth range from 0.1% to 0.5%.

Administration

  • Apply a small amount of the topical solution or suspension to the affected areas of the scalp once daily, usually in the evening.
  • Ensure that the scalp is clean and dry before application.
  • Gently massage the solution into the scalp with fingertips to promote absorption.
  • Wash hands thoroughly after application to avoid inadvertent contact with other areas of the body.

Side Effects

Common side effects of topical Dutasteride may include:

  • Scalp irritation or itching
  • Redness or dryness of the scalp
  • Changes in libido (sex drive)
  • Breast tenderness or enlargement (gynecomastia) in men
  • Erectile dysfunction

Adverse Reactions

Serious adverse reactions with topical Dutasteride are rare but may include:

  • Allergic reactions, such as rash, swelling, or itching at the application site
  • Systemic absorption leading to adverse effects associated with oral Dutasteride, such as decreased semen volume, ejaculation disorders, or breast cancer

Precautions and Warnings

  • Topical Dutasteride should be used with caution in individuals with a history of hypersensitivity reactions to 5-alpha reductase inhibitors or any components of the formulation.
  • Avoid applying the solution to broken or irritated skin, as it may increase the risk of systemic absorption and adverse effects.
  • Pregnant or breastfeeding individuals should not handle topical Dutasteride due to the potential risk of absorption through the skin.

Drug Interactions

There are no significant drug interactions reported with topical Dutasteride when used for hair growth. However, patients should inform their healthcare provider about all medications, including topical products and supplements, before starting treatment with Dutasteride.

Storage

Store topical Dutasteride solution or suspension according to the instructions provided by the compounding pharmacy. Typically, it should be stored at room temperature away from light and moisture. Do not freeze the solution or expose it to extreme heat.

Disclaimer

This information is provided for educational purposes only and should not be considered as medical advice. Always consult with your healthcare provider or pharmacist regarding any questions or concerns about topical Dutasteride or any other medication.

Caffeine

Usage

Caffeine is believed to promote hair growth by stimulating hair follicles and improving blood circulation to the scalp. It is often included in topical hair care products.

Side Effects

While topical caffeine is generally well-tolerated, some individuals may experience scalp irritation or allergic reactions.

Adverse Effects

Excessive caffeine absorption through the scalp is unlikely, but potential adverse effects may include increased heart rate or jitteriness if significant amounts are absorbed.

  • Generic Name: Caffeine
  • Brand Names: No specific brand names for topical caffeine. It's often found in various skincare and hair care products.
  • Drug Class: Methylxanthine

Uses

  • Topical caffeine is utilized in skincare and hair care products for various purposes, including reducing the appearance of cellulite, promoting hair growth, and improving scalp health.
  • It is believed to have vasoconstrictive properties, which can reduce puffiness and inflammation when applied to the skin.
  • In hair care products, caffeine is thought to stimulate hair follicles, promote hair growth, and improve blood circulation to the scalp.

Mechanism of Action

Caffeine works by blocking the activity of phosphodiesterase, an enzyme responsible for breaking down cyclic adenosine monophosphate (cAMP) within cells. Elevated levels of cAMP may promote vasodilation, increase blood flow, and stimulate hair follicles, potentially leading to improved hair growth.

Dosage Forms and Strengths

Topical caffeine is typically found in the form of creams, gels, serums, shampoos, and hair tonics. Concentrations of caffeine in topical products can vary, ranging from 0.1% to 5% or higher.

Administration

  • Follow the instructions provided with the specific product.• For hair care products, apply the recommended amount of shampoo, conditioner, or tonic to wet hair and scalp, massaging gently to ensure even distribution.
  • For skincare products, apply a thin layer of the cream, gel, or serum to the affected areas of the skin, massaging gently until absorbed.

Side Effects

  • Topical caffeine is generally well-tolerated when used as directed.
  • Potential side effects may include skin irritation, redness, itching, or a burning sensation, especially in individuals with sensitive skin.
  • Discontinue use and consult a healthcare professional if any adverse reactions occur.

Precautions and Warning

  • Avoid contact with the eyes, mucous membranes, and open wounds when applying topical caffeine products.
  • Perform a patch test on a small area of skin before using the product extensively, especially if you have a history of skin allergies or sensitivities.
  • Keep topical caffeine products out of reach of children and pets, and store them according to the manufacturer's instructions.

Drug Interactions

There are no significant drug interactions reported with topical caffeine. However, if you are using other topical medications or skincare products, consult a healthcare professional or pharmacist to ensure compatibility.

Storage

Store topical caffeine products according to the instructions provided by the manufacturer. Typically, they should be kept in a cool, dry place away from direct sunlight and excessive heat.

Disclaimer

This information is provided for educational purposes only and should not be considered as medical advice. Always consult with a healthcare professional or pharmacist regarding any questions or concerns about topical caffeine or any other medication.

Tretinoin

Usage

Tretinoin, a derivative of vitamin A, is commonly used to treat acne and skin aging. In hair care, it may aid in improving the absorption of other active ingredients and promoting scalp health.

Side Effects

Initial use of tretinoin may cause skin irritation, redness, and peeling. It is important to start with a low concentration and gradually increase to minimize side effects.

Adverse Effects

Prolonged use of tretinoin may increase skin sensitivity to sunlight and heighten the risk of sunburn. Use sunscreen and protective clothing while using products containing tretinoin.

Triamcinolone

Usage

Triamcinolone is a corticosteroid used to reduce inflammation and itching associated with various skin conditions, including eczema and psoriasis. It may also be used to address scalp inflammation in certain cases of hair loss.

Side Effects

Common side effects may include burning or stinging sensation upon application, as well as thinning of the skin with prolonged use.

Adverse Effects

Long-term use of triamcinolone may lead to systemic side effects such as adrenal suppression or Cushing's syndrome. It should be used sparingly and under the supervision of a healthcare professional.

  • Topical Tretinoin - Drug Facts
  • Generic Name: Tretinoin
  • Brand Names: Retin-A, Renova, Avita, Refissa, Atralin, Altreno
  • Drug Class: Retinoid

Uses

Topical tretinoin is primarily used to treat acne vulgaris, photodamaged skin, and certain other dermatological conditions. It is also used off-label for the treatment of fine lines, wrinkles, and hyperpigmentation. Tretinoin may be included in some hair care products to improve scalp health and promote hair growth.

Mechanism of Action

Tretinoin works by binding to specific retinoic acid receptors in the skin, which regulates gene expression and cellular differentiation. It promotes the shedding of dead skin cells, unclogs pores, and increases collagen production, leading to smoother, clearer skin. In hair care products, tretinoin may help to exfoliate the scalp, remove dead skin cells, and enhance the absorption of other active ingredients.

Dosage Forms and Strengths

Topical tretinoin is available as creams, gels, and solutions in various concentrations. Common strengths include 0.025%, 0.05%, and 0.1%.

Administration

  • Follow the instructions provided with the specific product.
  • Apply a pea-sized amount of tretinoin to clean, dry skin once daily in the evening, unless otherwise directed by your healthcare provider.
  • Gently massage the medication into the affected areas, avoiding contact with eyes, lips, and mucous membranes.
  • Wash hands thoroughly after application to prevent accidental transfer to other areas of the body.

Side Effects

Common side effects of topical tretinoin may include:

  • Skin irritation, redness, peeling, or dryness
  • Burning or stinging sensation
  • Sensitivity to sunlight
  • Temporary worsening of acne (purging) during the initial weeks of treatment

Adverse Reactions

Serious adverse reactions with topical tretinoin are rare but may include:

  • Allergic reactions, such as rash, itching, swelling, or difficulty breathing
  • Severe skin irritation or dermatitis
  • Hypopigmentation or hyperpigmentation
  • Excessive skin dryness or blistering

Precautions and Warnings

  • Avoid exposure to sunlight, sunlamps, and tanning beds while using tretinoin, as it may increase the risk of sunburn and skin sensitivity.
  • Use sunscreen and protective clothing when outdoors to minimize sun exposure.
  • Tretinoin should not be used on sunburned, windburned, or irritated skin, or on open wounds.
  • Pregnant or breastfeeding individuals should consult with a healthcare professional before using tretinoin.

Drug Interactions

There are no significant drug interactions reported with topical tretinoin. However, if you are using other topical medications or skincare products, consult a healthcare professional or pharmacist to ensure compatibility.

Storage

Store topical tretinoin according to the instructions provided by the manufacturer. Typically, it should be kept at room temperature away from light and moisture.

Disclaimer

This information is provided for educational purposes only and should not be considered as medical advice. Always consult with a healthcare professional or pharmacist regarding any questions or concerns about topical tretinoin or any other medication.

Triamcinolone

Topical Usage

Triamcinolone is a corticosteroid used to reduce inflammation and itching associated with various skin conditions, including eczema and psoriasis. It may also be used to address scalp inflammation in certain cases of hair loss.

Side Effects

Common side effects may include burning or stinging sensation upon application, as well as thinning of the skin with prolonged use.

Adverse Effects

Long-term use of triamcinolone may lead to systemic side effects such as adrenal suppression or Cushing's syndrome. If used sparingly, in low concentrations, and under the supervision of a healthcare professional, side effects are rare.

Before incorporating any topical drug into your hair care regimen, it's essential to consult with a healthcare professional, especially if you have any underlying medical conditions or are taking other medications. Follow the instructions provided with the product and discontinue use if you experience any adverse effects. For more information and personalized recommendations, please consult with your healthcare provider or visit HairMDL.com.


Your Guide to Topical

Hair Care Treatments


At HAIRMDL®, we understand the importance of selecting the right products for your hair care routine. Below you will find detailed information about the topical drugs used in our products. It’s essential to understand their uses, potential side effects, and adverse reactions before incorporating them into your regimen.