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community For pg free minoxidil, why not use propanediol instead of glycerin?

2 upvotes 4 months ago

The conversation discusses using propanediol as an alternative to glycerin in PG-free minoxidil for better absorption. The user also plans to try nanoxidil, which may absorb more easily due to its smaller molecule size.

community Minoxidil liquid gives me flakes /has anyone tried PG-free liquid with a scalp applicator?

2 upvotes 1 month ago

Liquid minoxidil causes scalp flaking due to propylene glycol, leading some to consider switching to foam or PG-free liquid with applicators. Foam is often recommended for ease and effectiveness, while PG-free liquid is less common but can reduce irritation.

community Be careful about using non-PG based alternatives of Minoxidil (mathematically speaking, haven’t seen much practical studies)

in Research/Science 7 upvotes 1 month ago

Minoxidil formulations often use propylene glycol (PG) for stability and effectiveness, but PG-free alternatives like foams and PEG-based solutions can also be effective with less irritation. Concerns exist about the quality of PG-free minoxidil from lesser-known brands, especially from India, due to potential manufacturing issues.

community Any good place to get Minichek 5 or similarly inexpensive PG-free min?

1 upvotes 3 years ago

A user is seeking recommendations for purchasing Minichek 5% solution, a PG-free minoxidil, due to a contact allergy to propylene glycol. They are looking for an affordable option comparable in price to Kirkland or Amazon brand minoxidil.

community Alcohol-free minoxidil available in Europe

5 upvotes 9 months ago

Alcohol-free minoxidil options in Europe, particularly from a German pharmacy, are recommended for those with seborrheic dermatitis. Users suggest alternatives like Alopexy and Doppelherz foam, and emphasize avoiding propylene glycol and alcohol to reduce irritation.

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Research

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Experimental and Computational Approaches for Measuring Minoxidil Solubility in Propylene Glycol and Water Mixtures at Different Temperatures

research Experimental and computational approaches for measuring minoxidil solubility in propylene glycol + water mixtures at different temperatures

7 citations , February 2019 in “Journal of Molecular Liquids”

This study assessed minoxidil solubility in propylene glycol and water mixtures, comparing cosolvency models and examining thermodynamic properties, without reporting new clinical results.

research Organ culture of human hair follicles in serum-free medium

27 citations , January 1993 in “Archives of Dermatological Research”

In this study, minoxidil sulphate was observed to significantly increase DNA synthesis in cultured human hair follicles in a concentration-dependent manner.

research Anti-Oxidant and Hair-Growth-Promoting Effect of Pectin Lyase-Modified Red Ginseng Extract (GS-E3D)

January 2017 in “Korean Journal of Pharmacognosy”

This study found that pectin lyase-modified red ginseng extract may promote hair growth by enhancing antioxidant and anti-inflammatory activities, along with inhibiting testosterone-induced 5-alpha-reductase in human hair dermal papilla cells.

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.

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learn Minoxidil

An essential vasodilator with some anti-androgenic effects

Minoxidil 2%, 5% and 10% which is better to use? In a randomized trial in men, 5% topical minoxidil produced more hair growth than 2%. There is no approved 10% product and no head-to-head trial showing it beats 5%; higher strengths mainly add irritation and systemic absorption. Approved strengths differ by sex, so check the label for your product.
Minoxidil: the application and its effects counted in months Expect initial shedding in the first month, with visible results typically by three to six months.
From hypertension to hair: the unexpected story of minoxidil Minoxidil was developed as an oral blood-pressure drug and approved as Loniten in 1979; unwanted hair growth in patients led to topical Rogaine, approved for men in 1988 and for women in 1991. Trials support topical minoxidil for pattern hair loss, while low-dose oral minoxidil is a prescription drug used off-label and needs medical supervision.
All 4 questions on Minoxidil →

learn Nanoxidil

learn RU58841

RU58841: What's the difference between minoxidil and finasteride? Minoxidil stimulates hair growth, while finasteride reduces DHT levels to prevent hair loss.

learn Tretinoin

the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil

learn Finasteride

Frontline, gold standard treatment for combatting androgenic alopecia

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