Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
January 2022 in “Figshare” Exosomes from dermal papilla cells help hair stem cells grow through a specific signaling pathway.
20 citations
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February 2018 in “Journal of the European Academy of Dermatology and Venereology” Topical vitamin C may help treat skin fragility in the elderly.
2 citations
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September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
April 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Adipose-derived stem cell exosomes can boost hair growth by enhancing dermal papilla cell activity.
Exosome treatments may cause mild inflammation, new blood vessel growth, and hair growth, detectable by ultrasound.
6 citations
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September 2025 in “Cosmetics” Laser-Assisted Exosome Delivery showed early skin improvement without side effects, but more research is needed.
1 citations
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November 2023 in “International Journal of Molecular Sciences” SOX18 helps sheep hair cells grow by activating a specific cell growth pathway.
19 citations
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February 2013 in “Archives of Dermatological Research” 9 citations
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October 1947 in “The Lancet” 1 citations
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November 1947 in “The Lancet” 13 citations
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February 1980 in “Journal of Cutaneous Pathology” Rubbing seborrheic keratoses causes specific skin changes and may link them to hair follicles.
14 citations
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October 2021 in “Dermatology and Therapy” UV exposure accelerates skin aging by altering elastin, leading to wrinkles.
24 citations
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November 2021 in “PLoS ONE” Ablative fractional laser treatment rejuvenates skin by altering gene expression and promoting wound healing and tissue regeneration.
January 2005 in “Digest of the World Core Medical Journals” Oral zinc gluconate and topical steroids significantly improved a rare scalp condition in three elderly patients.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
3 citations
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March 1956 in “PubMed” Surgical skin planing is safe and effective for treating acne scars using a freezing agent that avoids safety risks.
15 citations
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April 2011 in “Biological Chemistry” Cathepsin E is crucial for normal skin cell differentiation and development.
54 citations
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December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Retinoic acid can change skin development, like turning scales into feathers or forming glands.
September 2025 in “Skin Research and Technology”
February 2024 in “Skin health and disease” Exosomes could improve skin and hair treatments but are limited by cost, production difficulty, and need for more research.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Krox20 is important for maintaining stem cells in the skin and affects hair growth and color.
45 citations
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May 1992 in “Journal of Investigative Dermatology” 12 citations
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May 2016 in “Experimental Dermatology” A new skin model from hair follicles is a safer, simpler alternative for skin tests.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Combining stem cell exosomes with microneedling improves facial skin aging effectively and safely.
1 citations
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December 2023 in “Skin Research and Technology” Combining hair follicle transplantation and a 308 nm excimer laser effectively treats perioral vitiligo without unwanted hair growth.
2 citations
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January 2021 in “Journal of The American Academy of Dermatology” A simple scalp scraping can effectively distinguish fibrosing alopecia from androgenetic alopecia with seborrheic dermatitis.