Minoxidil / Tretinoin / Progesterone / Finasteride

Solution

5% / 0.025% / 0.25% / 0.1%

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Disclaimer: Images are for reference only; actual products may vary.

Product Overview

This formulation combines minoxidil, tretinoin, progesterone, and finasteride to target hormonally related hair loss. Each component works through a distinct mechanism to support hair development and growth. The combined formulation is designed to encourage thicker, stronger hair while supporting ongoing scalp and follicular health.

Minoxidil 1-3

Topical minoxidil is a vasodilator that was initially developed as an oral antihypertensive medication. Its hair growth–stimulating effects were identified following observations of hypertrichosis (excessive or abnormal hair growth) in patients receiving oral minoxidil. It was later approved by the FDA for the treatment of androgenetic alopecia in both men and women.

Tretinoin4-7

Tretinoin, also known as all-trans-retinoic acid, is a naturally occurring derivative of vitamin A. Retinoids are involved in the regulation of cell reproduction, proliferation, and differentiation. When used in combination, tretinoin and minoxidil may produce a synergistic effect by increasing the expression of hair growth–related markers such as Erk, Akt, Bcl-2, and Bax.

Progesterone8-10

Micronized progesterone is a bioidentical form of the naturally occurring hormone progesterone and is used in women’s health applications, including hormone replacement therapy (HRT) and prevention of endometrial hyperplasia in postmenopausal women receiving estrogen therapy. Progesterone may also have a role in supporting or maintaining hair growth.

Finasteride Description11-14

Finasteride is a 5-alpha reductase inhibitor that has demonstrated benefit in individuals with female pattern hair loss. Topical finasteride has been shown to improve hair density and hair growth in both premenopausal and postmenopausal women.

Minoxidil1-3

The drug has many mechanisms in supporting hair growth:

  • Potassium channel opening: Minoxidil is a K⁺-ATP channel opener, which may result in vasodilation and enhanced blood flow to hair follicles.
  • Prolongation of the hair cycle: It may extend the growth phase of the hair cycle, leading to increased follicle size and more robust hair shafts.
  • Activation of prostaglandins: May indirectly affect prostaglandin-mediated signaling to stimulate hair follicle activity.
  • Upregulation of vascular endothelial growth factor (VEGF): Promotes angiogenesis in dermal papillae, which may improve follicular nourishment.

 

Tretinoin4-7

Tretinoin may have several mechanisms to facilitate hair growth including the following:

  • Cell turnover-Tretinoin facilitates skin cell turnover which may open up hair follicles for hair growth
  • Enhanced absorption-Tretinoin may help absorption of minoxidil. This may be from the increased absorption of minoxidil which may be the result of increased sulfonation.
  • Prolong anagen phase-Tretinoin may help lengthen the growth phase of hair follicles.

 

Progesterone8-10

  • Progesterone is a steroid hormone primarily secreted by the corpus luteum and, during pregnancy, the placenta, it binds PR-A & PR-B receptors and the primary actions in women include:
    •  Endometrial transformation: Converts the endometrium from a proliferative to a secretory state, supporting implantation and pregnancy.
    • Regulation of gonadotropin secretion: Via negative feedback on the hypothalamic-pituitary axis.
    • Stabilization of the endometrium helps to prevent irregular bleeding in women receiving estrogen therapy.
    • CNS effects: Modulates mood, sleep, and neuroprotective pathways through GABA-A receptor modulation.
  • It can also influence hair growth by inhibiting LH secretion which can decrease androgen synthesis and decrease the conversion of testosterone to dihydrotestosterone through the inhibition of 5-alpha reductase activity.

 

Finasteride11-14

Finasteride is an analog of testosterone that acts as a competitive, specific inhibitor of type II 5-alpha-reductase, an intracellular enzyme that converts testosterone to the potent androgen 5-alpha-dihydrotestosterone. The type II 5-alpha-reductase isozyme is found in the scalp hair follicles. Finasteride may decrease dihydrotestosterone levels through its effect on increasing insulin growth factor-1 production in the dermal papillae.

Minoxidil1-3  

Common

Topical minoxidil is generally well tolerated but may cause local effects including the following:

  • Scalp irritation, dryness, flaking
  • Erythema or contact dermatitis (more common with propylene glycol-containing formulations)
  • Pruritus or burning sensation
  • Unwanted facial hair growth (esp. in women or if solution drips onto other areas)

 

Tretinoin4-7

Common

Skin irritation, such as peeling, xerosis (dry skin), burning, stinging, erythema, and pruritus

 

Progesterone8-10

Common   (with systemic absorption) (topical application is not expected to be absorbed significantly systemically)

  • Drowsiness or sedation
  • Breast tenderness
  • Headache
  • Bloating
  • Mood changes
  • Irregular bleeding or spotting
  • Dizziness

 

Finasteride11-14

Common

  • Scalp pruritus, burning sensation, irritation, contact dermatitis, and erythema

With systemic absorption (rare)

  • Decreased libido
  • Erectile dysfunction
  • Ejaculatory disorders (e.g., reduced volume)
  • Breast tenderness or enlargement
  • Gynecomastia

Contraindications1,2,4,8,11   

  • Known hypersensitivity or intolerance to minoxidil, tretinoin,  progesterone, and finasteride or excipients
  • Contraindicated in women who are or may become pregnant if absorbed systemically due to risk of teratogenicity (can cause abnormalities in the external genitalia of male fetuses)
  • Undiagnosed abnormal menstrual bleeding (systemic absorption of progesterone)
  • Known, suspected, or history of breast cancer(systemic absorption of progesterone)
  • Active or history of thromboembolic disorders (stroke, DVT, heart attack etc…) (systemic absorption of progesterone)
  • Liver dysfunction or disease (systemic absorption of progesterone)

Precautions1,2,4,8,11   

  • Do not apply to open wounds
  • Finasteride lowers serum PSA levels by ~50% after 6 months, which can mask early detection of prostate cancer
  • Use cautiously in patients with hepatic dysfunction. The drug is metabolized extensively in the liver

Store at controlled room temperature, between 68°F to 77°F (20°C to 25°C). Protect from light and keep the container tightly closed. Women should not handle crushed or broken finasteride tablets when they are pregnant or may potentially be pregnant because of the possibility of absorption of finasteride and the subsequent potential risk to a male fetus. Keep out of reach of children and pets.

  1. Clinical Pharmacology [Internet].: Elsevier; accessed May 2025; Minoxidil topical monograph. Available from: ClinicalKey; https://www.clinicalkey.com/pharmacology/monograph/408?n=Minoxidil
  2. Rogaine® (minoxidil topical solution) package insert. Johnson & Johnson Consumer Inc.https://dailymed.nlm.nih.gov/dailymed/fda/fdaDrugXsl.cfm?setid=12fd18f0-859c-7b9a-e063-6394a90addbf&type=display Revised March 2024. Accessed June 16, 2025
  3. Goren A, Naccarato T. Minoxidil in the treatment of androgenetic alopecia. Dermatol Ther. 2018 Sep;31(5):e12686.
  4. Clinical Pharmacology tretinoin clinical monograph 2025 https://www.clinicalkey.com/pharmacology/
  5. Yoham AL, Casadesus D. Tretinoin. Statpearls. March 27, 2023. Accessed July 27, 2025.
  6. Sharma A, Goren A, Dhurat R, Agrawal S, Sinclair R, Trüeb RM, Vañó-Galván S, Chen G, Tan Y, Kovacevic M, Situm M, McCoy J. Tretinoin enhances minoxidil response in androgenetic alopecia patients by upregulating follicular sulfotransferase enzymes. Dermatol Ther. 2019 May;32(3):e12915.
  7. Can Tretinoin Help with Hair Growth? https://cityskinclinic.com/tretinoin-hair-growth/ June 12, 2025. Accessed August 15, 2025
  8. FDA Label for Prometrium® (micronized progesterone); accessed July 2025 through: https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/019781s013lbl.pdf
  9. Cynthia A. Stuenkel, Susan R. Davis, Anne Gompel, Mary Ann Lumsden, M. Hassan Murad, JoAnn V. Pinkerton, Richard J. Santen, Treatment of Symptoms of the Menopause: An Endocrine Society Clinical Practice Guideline, The Journal of Clinical Endocrinology & Metabolism, Volume 100, Issue 11, 1 November 2015, Pages 3975–4011, accessed July 2025 through: https://doi.org/10.1210/jc.2015-2236
  10. Clinical Pharmacology Progesterone clinical monograph accessed July 2025 through: https://www.clinicalkey.com/pharmacology/monograph/515?n=Progesterone
  11. Clinical Pharmacology finasteride clinical monograph 2025 https://www.clinicalkey.com/pharmacology/  Accessed August 15, 2025
  12. Gupta AK, Talukder M. Topical finasteride for male and female pattern hair loss: Is it a safe and effective alternative? J Cosmet Dermatol. 2022 May;21(5):1841-1848.
  13. Iamsumang W, Leerunyakul K, Suchonwanit P. Finasteride and Its Potential for the Treatment of Female Pattern Hair Loss: Evidence to Date. Drug Des Devel Ther. 2020 Mar 2;14:951-959.
  14. Finasteride (Propecia) www.accessdata.fda.gov/drugsatfda_docs/label/2012/020788s020s021s023lbl.pdf April 2012. Accessed August 15, 2025.

WPPL operates as a 503A compounding pharmacy and prepares individualized prescription medications pursuant to provider direction. Compounded preparations are not reviewed, tested, or approved by the FDA.

This listing also includes commercially manufactured products for convenience; these items are not compounded by our pharmacy and are sold as provided by their manufacturers. Actual products in stock at time of dispensing may vary due to supply chain variability. Any statements regarding non-compounded products are manufacturer-supplied, have not been evaluated by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease. WPPL does not verify or endorse any therapeutic claims made by manufacturers. Please refer to original labeling for complete product information.

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