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research Pediatric Hair Cosmetics: Physiology, Safety and Product Considerations

March 2026 in “Skin Appendage Disorders”

This narrative review highlights the distinct needs of pediatric hair care, emphasizing gentler formulations due to differences in children's hair physiology, structure, and barrier function, and calls for targeted regulations and research due to limited safety evidence.

research Contact allergy to essential oils cannot always be predicted from allergy to fragrance markers in the baseline series

23 citations , January 2016 in “Contact Dermatitis”

This study found that a small number of patients with essential oil allergies could be missed if only standard fragrance tests are used, suggesting the need for specific testing and careful product inspection.

research Analysis of Common Treatment Drugs and Allergen Sensitization in Hair Loss Patients

February 2025 in “Journal of Cosmetic Dermatology”

This study examined the sensitization potential of common hair care products and found that certain ingredients, like cobalt chloride and nickel sulfate, frequently cause allergic reactions in individuals with hair diseases, providing essential insights for personalized treatment strategies.

research Microneedle Transdermal Drug Delivery Systems for Allergen-Specific Immunotherapy, Skin Disease Treatment, and Vaccine Development

4 citations , January 2022 in “Yonsei Medical Journal”

This article discusses the potential of novel microneedle transdermal systems for enhanced drug and vaccine delivery through the skin, but reports no clinical results and emphasizes ongoing trials.

research 253 Protective and cleansing effect of a skin care product against pollen allergen accumulation in the hair follicle

November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that a skincare product effectively prevented and reduced pollen allergen accumulation in hair follicle models by forming a protective film and exhibiting strong cleansing properties, suggesting its potential to protect skin from environmental elements that can lead to irritation and allergic reactions.

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Community Join

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community Creatine made all my high DHT symptoms return

82 upvotes 1 year ago

Creatine may increase DHT levels, potentially causing symptoms like acne, oily hair, and hair shedding. Users report mixed experiences, with some avoiding creatine due to hair loss concerns and others seeing no impact.

community Don’t Get Too Hyped About PP405. We've Seen This Movie Before.

218 upvotes 1 year ago

PP405 is a new hair loss treatment showing early promise with a 20% hair density increase, but skepticism exists due to past failures of similar treatments like Pyrilutamide, RU58841, and Bimatoprost. Users debate its potential effectiveness, with some hopeful due to Google's involvement, while others urge caution without more evidence.

community Microneedling Isn’t Snake Oil — It’s Evidence-Based. Let’s Talk Studies, Not Fear.

41 upvotes 1 year ago

Microneedling is supported by research as an effective adjuvant treatment for hair loss, especially when combined with Minoxidil or Finasteride, with minimal side effects if done properly. Concerns about long-term safety and potential risks like infection or fibrosis remain, but many users report positive results.

community (22M) 3 1/2 months on dutasteride, is there much regrowth?

in Is this regrowth? 46 upvotes 1 year ago

A 22-year-old male is experiencing hair regrowth after 3.5 months on 0.5mg daily dutasteride, with visible baby hairs and increased density. Users suggest adding minoxidil for potentially better results.

community Can the ingredients in a sebum-regulating shampoo induce hair diameter reduction?

2 upvotes 1 year ago

A user experienced hair thinning and scalp issues after using a sebum-regulating shampoo and perm treatments. They are advised to consider potential allergies, try a simple shampoo, and research treatments like finasteride for possible male pattern baldness.

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Learn

3 / 800 results

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn Thymosin Beta 4

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

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Clinics

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Experts

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