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Research

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research Strengthening the Skin with Topical Delivery of Keratinocyte Growth Factor-1 Using a Novel DNA Plasmid

23 citations , January 2014 in “Molecular Therapy”

This study found that topically delivering KGF-1 DNA plasmid increased epithelial thickness and skin strength, suggesting potential benefits for strengthening compromised skin.

research Lentivirus‐mediated subcutaneous JAM‐A modification promotes skin wound healing in a mouse model by strengthening the secretory function and proliferation of fibroblasts

5 citations , April 2022 in “Cell Biology International”

This study found that JAM-A modification in mouse wound models significantly promoted wound healing and fibroblast proliferation, potentially linked to increased levels of growth factors bFGF and EGF.

research Anatomy and Physiology of the Skin

277 citations , July 2011 in “Journal of the Dermatology Nurses’ Association”

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

research Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing

July 2026 in “Nutrients”

This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.

research Formulation and quality assessment of a novel polyherbal shampoo for enhanced hair strength

May 2026 in “International Journal of Pharmacognosy and Life Science”

This research evaluated a polyherbal powder shampoo using natural ingredients, finding it to be a stable, effective, and safe alternative to chemical-based shampoos, with no irritation and good usability.

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Community Join

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community Scalp Skin Barrier Health and Hair Follicle Cycling: A Potential Overlooked Connection

in Technology 4 months ago

The conversation discusses the importance of scalp skin barrier health in hair follicle cycling, suggesting treatments like ceramides or niacinamide to support hair growth. It also mentions the use of finasteride for hair loss.

community How biotin benefited you? Could it strengthen hair?

in Product 6 upvotes 1 year ago

Biotin may strengthen existing hair and reduce hair loss, but it doesn't promote new hair growth. Some users report stronger, darker hair, while others see no benefits or experience acne.

community New study suggests hair regrowth on wounded and bald skin may be possible

4 upvotes 7 years ago

Hair regrowth on wounded and bald skin may be possible by activating the sonic hedgehog gene, leading to hair regrowth in mice. The findings are promising but may not directly apply to humans.

community Foam minoxidil with Tretinoin (Which Tretinoin Strength?)

2 upvotes 9 months ago

The conversation discusses using foam minoxidil with tretinoin cream for hair loss, with users sharing experiences on tretinoin strengths of 0.025% and 0.05%. Some users report irritation with higher tretinoin concentrations and note that foam minoxidil may be less effective than liquid.

community [26M] Min 5 month progress, worse skin?

49 upvotes 2 years ago

A user experienced skin irritation and acne while using Minoxidil foam, but after stopping both the foam and a sea salt spray, their skin improved. They plan to try oral Minoxidil, suspecting the sea salt spray, not Minoxidil, was the main cause of their skin issues.

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Learn

10 / 800 results

learn Hydrocortisone

Mild corticosteroid used on the skin and scalp

learn Finasteride

Does the vehicle change how much topical finasteride is absorbed? Formulation sources describe propylene glycol and microemulsion vehicles as increasing how much topical finasteride crosses the skin, but better penetration has not been shown to mean better hair results, and it also raises systemic exposure. The vehicle and strength are decisions for a prescriber or compounding pharmacist.

learn Latanoprost

Prostaglandin eye drop used for glaucoma

learn Clascoterone

Topical androgen-receptor blocker, approved as an acne cream

learn Biotin

B vitamin, often sold as a hair supplement

learn Rosemary

Herb whose oil is used in hair care

learn Melatonin

Can melatonin cause side effects on the skin or hair? No study links melatonin to hair loss; reports are anecdotal. Some users report scalp dryness or irritation from topical products, and a safety review lists mainly mild side effects such as sleepiness and headache.

learn Follistatin

Can follistatin be applied to the skin, and does any form of it treat hair loss? No study shows that follistatin applied to the skin works, and no form of follistatin is an approved or proven hair-loss treatment. Follistatin injections, "research peptides" and gene therapies sold outside regulated trials are unapproved and of unknown safety.

learn Hyaluronic Acid

Does hyaluronic acid really hydrate the scalp, or is it mainly for skin care? Hyaluronic acid improved hydration of facial skin in trials. It has not been tested on the scalp.

learn Osteopontin

What does osteopontin do in skin healing and inflammation? Osteopontin takes part in wound repair in mouse skin; its role in human scalp healing and inflammation has not been studied.

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Clinics

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All 500 clinic results →

Experts

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SMP Specialist
Noelle Skin
Nice, France

Noelle Skin