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signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss
- Can long-term use of Fluocinolone affect the health of hair follicles? There is no long-term human trial measuring what topical fluocinolone does to hair follicles; what is documented is the label's warning about skin atrophy with prolonged use, plus a 2007 mouse study suggesting hair-follicle bulge stem cells do not repair steroid-induced atrophy.
- What are the risks of long-term hydrocortisone use on the scalp? Dermatology reviews describe long-term topical corticosteroid use as causing skin thinning, delayed healing, greater infection risk, possible suppression of the body's own cortisol, and rebound flares on stopping — and over-the-counter hydrocortisone labels limit use to about a week without a doctor's direction.
- Is azelaic acid safe to use daily long-term? Azelaic acid has a long tolerability record on facial skin in acne and rosacea, where side effects are local and usually mild — but for daily long-term scalp use the only trial is one six-month study in 26 women, in which mild itching was the main adverse effect, so long-term scalp safety is not established.
