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GlossaryMethylparaben

preservative used in cosmetics and pharmaceuticals to prevent spoilage

Methylparaben, also known as Methyl 4-hydroxybenzoate or E218, is a type of paraben commonly used as a preservative in cosmetics, pharmaceuticals, and food products. It helps prevent the growth of harmful bacteria and mold, thereby extending the shelf life of these products. While generally considered safe, some concerns have been raised about its potential to cause allergic reactions and its possible link to endocrine disruption.

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Hair Growth Promoting Effect of Essence Manufactured with Products Fermented by Lactobacillus Rhamnosus and Backryeoncho (Opuntia Ficus-Indica Var. Sarboten) Fruits in Mice

research Hair Growth Promoting Effect of Essence Manufactured with Products Fermented by Lactobacillus Rhamnosus and Backryeoncho (Opuntia Ficus-Indica Var. Sarboten) Fruits in Mice

1 citations, August 2012 in “Food Science and Biotechnology”

The essence made from fermented products increased hair growth in mice better than minoxidil.

research Xenobiotic-Metabolizing Enzymes in the Skin of Rat, Mouse, Pig, Guinea Pig, Man, and in Human Skin Models

38 citations, June 2018 in “Archives of Toxicology”

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

research Final Report on the Safety Assessment of Hypericum Perforatum Extract and Hypericum Perforatum Oil

23 citations, January 2001 in “International journal of toxicology”

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

research Epimedium Brevicornum Maxim Extract Enhances Melanin Biosynthesis and Melanosome Biogenesis/Transfer

6 citations, September 2022 in “Frontiers in pharmacology”

Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.

research Hair Care Cosmetics Regulation in Different Countries: A Comparative Study

2 citations, March 2019 in “Applied clinical research, clinical trials and regulatory affairs”

Different countries have regulations to ensure the safety of hair care products, with some recalling hair straighteners due to high formaldehyde.

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community is mixing finasteride in 2% minoxidil solution a good idea?

in Treatment 1 upvotes 4 months ago

The user experiences severe headaches from 5% minoxidil and is considering mixing finasteride with a 2% minoxidil solution or diluting a 5% minoxidil + 0.1% finasteride solution. They seek advice on the appropriate method and dilutant composition.

community Is this a good shampoo? XHC Ginger Shampoo. £1 a bottle

in Product 1 upvotes 3 years ago

The conversation is about evaluating the effectiveness and affordability of XHC Ginger Shampoo for hair loss. The user lists the ingredients and expresses that it looks promising and inexpensive.

community Carrier for homemade topical Finasteride

in Chat 6 upvotes 4 months ago

The conversation is about making topical finasteride using stemoxydine as a carrier. The user is considering buying Redken Cerafill Hair Re-Densifying Treatment (Stemoxydine) 90ml for this purpose.

community Can we once and for all clarify whether tretinoin helps or hurts hair?

in Treatment 36 upvotes 3 years ago

Tretinoin's effect on hair loss is debated; some say it improves minoxidil's effectiveness, while others claim it causes hair loss. Treatments discussed include tretinoin, minoxidil, finasteride, RU58841, and dermarolling.