Minoxidil USP


CAS no. 38304-91-5

Minoxidil is a popular ingredient used in applications preventing and treating hair loss. It is effective in helping to promote hair growth in people with androgenic alopecia. Usually it is administered in the form of medicinal shampoo, mask/ointment, spray or foam. 

Minoxidil is also used as an active ingredient in medications used for the treatment of high blood pressure.

BHM Chemicals is a supplier of high quality USP and Ph. Eur. grade Minoxidil suitable for use in pharmaceutical and cosmetic applications. 

Minimum order quantity: 25kg

Minoxidil, a medication and cosmetic ingredient that has gained popularity over the years, is well-known for its ability to stimulate hair growth. 


Minoxidil is a vasodilator, a substance that widens blood vessels. It was initially developed as a treatment for high blood pressure. Its mechanism of action in this context involves relaxing and widening blood vessels, reducing blood pressure. However, during clinical trials, an intriguing side effect emerged: hair growth. This unexpected discovery led to further research and the development of Minoxidil as a topical solution for hair loss.

Minoxidil typically comes in two forms: a liquid solution and a foam. The liquid solution is applied directly to the scalp, while the foam is an alternative formulation that is easier to apply, making it a popular choice among users.


  1. Androgenetic Alopecia (Male and Female Pattern Baldness): Minoxidil is primarily used to treat androgenetic alopecia, commonly known as male and female pattern baldness. This condition is often hereditary and characterized by hair thinning and loss. Minoxidil's vasodilatory properties increase blood flow to the hair follicles, promoting hair growth and potentially prolonging the hair growth cycle.

  2. Alopecia Areata: Minoxidil is sometimes prescribed for individuals with alopecia areata, an autoimmune disorder that results in hair loss. While its effectiveness in these cases can be limited, some individuals have reported success with Minoxidil.

  3. Beard Growth: Minoxidil has gained popularity among those seeking to stimulate facial hair growth, especially for individuals with sparse or patchy beards. Users apply the solution to the desired areas to encourage beard growth.

  4. Other Hair Loss Conditions: While it is most commonly used for androgenetic alopecia, Minoxidil is occasionally utilized for other hair loss conditions, such as telogen effluvium and trichotillomania, although its effectiveness in these cases varies.


  1. Proven Efficacy: Numerous studies and clinical trials have demonstrated the effectiveness of Minoxidil in promoting hair growth. A meta-analysis published in the Journal of the American Academy of Dermatology in 2004 found that Minoxidil was significantly more effective than a placebo in promoting hair growth in men with androgenetic alopecia.

  2. Ease of Application: Minoxidil is available in both liquid and foam formulations, making it easy to incorporate into a daily grooming routine. This convenience contributes to its widespread use.

  3. Non-Invasive: Unlike hair transplant surgery, Minoxidil is a non-invasive and non-surgical approach to addressing hair loss. This makes it a preferred choice for those who are not ready for or do not wish to undergo invasive procedures.

  4. Suitable for Various Hair Types: Minoxidil can be used by individuals with different hair types and textures, making it a versatile solution for a broad range of users.

  5. Minimal Side Effects: While some users may experience mild side effects such as scalp irritation or dryness, severe adverse reactions are rare. It is generally well-tolerated, and most people can use it without significant issues.

  6. Increased Confidence: For many individuals, hair loss can have a substantial impact on self-esteem and confidence. Minoxidil's ability to promote hair growth can lead to an improved self-image and increased confidence in one's appearance.

Minoxidil's properties as a vasodilator have paved the way for its success as a hair loss treatment. Its uses extend beyond androgenetic alopecia, making it a versatile option for various hair loss conditions. With scientific research supporting its efficacy, ease of application, and minimal side effects, Minoxidil has provided hope for those seeking to address hair loss and boost their self-confidence. It is important, however, to consult a healthcare professional before starting any hair loss treatment to determine the most suitable approach for your individual needs.

Please note that the information provided in this article is for informational purposes only and should not be considered a substitute for professional medical advice. Always consult with a healthcare provider before starting any treatment.


  1. Olsen E.A. (2004) A multicenter, randomized, placebo-controlled, double-blind clinical trial of a novel formulation of 5% minoxidil topical foam vs. placebo in the treatment of androgenetic alopecia in men. Journal of the American Academy of Dermatology, 50(5), 769-777.
  2. Messenger A.G., Rundegren J. (2004) Minoxidil: mechanisms of action on hair growth. British Journal of Dermatology, 150(2), 186-194.
  3. Blume-Peytavi U., Lönnfors S., Hillmann K., et al. (2017) A randomized double-blind placebo-controlled pilot study to assess the efficacy of a 24-week topical treatment by latanoprost 0.1% on hair growth and pigmentation in healthy volunteers with androgenetic alopecia. Journal of the American Academy of Dermatology, 76(6), 1015-1022.
  4. Woo Y.R., Lee S.H., Cho J.S., Kim W.S. (2016) Efficacy and Safety of 3% Minoxidil Versus Combined 3% Minoxidil and 0.1% Finasteride in Male Pattern Hair Loss: A Randomized, Double-Blind, Comparative Study. Skin Appendage Disorders, 2(4), 131-136.






Loss on drying

Residue on ignition

Heavy metals

Chromatographic purity




A white or almost white, crystalline powder. Slightly soluble in water, soluble in methanol and in propylene glycol.

97.0% to 103.0% (dried substance)

Conforms to USP tests

Not more than 0.5%

Not more than 0.5%

Not more than 0.002% (20ppm)

Not more than 1.5%

Non-hazardous chemicals

Keep container tightly closed in a cool and dry place and protected from light. Protect from contamination by foreign substances.