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Glossary Isopropyl Alcohol

Isopropyl alcohol, also known as isopropanol or rubbing alcohol, is a colorless, flammable chemical compound commonly used as a solvent and antiseptic. In the context of hair loss and hair biology, it is often included in topical treatments and formulations due to its ability to dissolve oils and enhance the penetration of active ingredients into the scalp. Its relevance lies in its use for cleansing the scalp and hair follicles, potentially improving the effectiveness of hair loss treatments. However, excessive use can lead to dryness and irritation of the scalp, which may negatively impact hair health.

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Community Join

5 / 103 results

community Isopropyl alcohol, instead of ethyl alcohol, for topical finasteride home-made serum?

1 upvotes 7 months ago

Isopropyl alcohol should not replace ethanol in homemade topical finasteride serums due to potential toxicity with frequent use. Denatured ethanol, also known as parfum or cosmetic alcohol, is a safer alternative.

community Mixing Topical Finasteride: isopropyl alcohol / Propylene glycol ratio

in Finasteride/Dutasteride 2 upvotes 1 year ago

The conversation discusses adjusting the isopropyl alcohol, propylene glycol, and water ratios in a topical finasteride solution for better scalp comfort and less dandruff. The user considers using 20ml IPA, 25ml PG, and 15ml water in a 60ml bottle, moving away from mixing finasteride with topical minoxidil.

community Can I use minox with isopropyl alcohol to create topical spiro?

3 upvotes 1 year ago

Minoxidil can be used with isopropyl alcohol to create topical spironolactone. Spironolactone may dissolve better in ethanol or propylene glycol.

community Ordering ethanol in the UK. Any tips?

in Finasteride/Dutasteride 1 upvotes 5 months ago

A user is seeking advice on ordering ethanol in the UK to use with topical finasteride, considering switching from isopropyl alcohol. They mention the possibility of purchasing 99.8% ethanol from eBay's 6 Science shop.

community Important thing i discovered that makes ru58841 very effective

87 upvotes 7 months ago

RU58841 is more effective when mixed with isopropyl alcohol instead of minoxidil, as water in minoxidil degrades RU58841. Applying RU58841 separately from minoxidil, with an hour gap, enhances hair growth results.

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Research

5 / 1000+ results

research Topical Cyclosporine in Alopecia Areata

69 citations , February 1987 in “Archives of Dermatology”

This case report describes the topical application of cyclosporine in a man with alopecia universalis, which showed hair regrowth after 10 months of daily use, except where limited by a congenital nevus.

research Topical cyclosporine in alopecia areata

15 citations , February 1987 in “Archives of Dermatology”

In this case report, a 23-year-old man with alopecia universalis applied topical cyclosporine for several months, resulting in noticeable hair regrowth.

Safety, Tolerability, and Pharmacokinetics of CG2001 in Chinese Adult Male Subjects With Androgenetic Alopecia: A Randomized, Double-Blind, Placebo-Controlled, Single- and Multi-Dose, Phase 1 Clinical Study

research Safety, tolerability, and pharmacokinetics of CG2001 in Chinese adult male subjects with androgenetic alopecia: a randomized, double-blind, placebo-controlled, single- and multi-doses, phase 1 clinical study

January 2026

This study found that the novel alcohol-free topical foam CG2001, combining minoxidil and finasteride, was safe and well-tolerated in Chinese males with androgenetic alopecia, with significantly lower systemic exposure to finasteride compared to oral administration, potentially reducing sexual side effects.

research Safety, tolerability, and pharmacokinetics of CG2001 in Chinese adult male subjects with androgenetic alopecia: a randomized, double-blind, placebo-controlled, single- and multi-doses, phase 1 clinical study

January 2026

In this phase I study, CG2001, a topical foam combining minoxidil and finasteride, was found to be safe and well-tolerated in Chinese males with androgenetic alopecia, showing significantly reduced systemic finasteride exposure compared to oral administration, potentially reducing related side effects.