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ArticlesTopic 06
Thinning, shedding, chin hairs and ingrowns. What’s hormonal, what’s not, and what works.
HairEvidence check
An NIH study linked frequent use of chemical hair straighteners to higher uterine cancer rates. The absolute risk stayed small, and the study can't prove cause. Here is how to weigh it if you relax or straighten your hair.
HairExplainer
Women losing weight on semaglutide or tirzepatide often notice more hair in the brush. Drug labels link it to weight loss, it's more common in women, and the usual pattern is temporary shedding that regrows.
HairEvidence check
Iron pills are a common first purchase when hair starts thinning. Studies disagree on whether low iron causes hair loss, and after menopause, low iron is a clue that deserves its own workup. Here is what the research and a dermatology review say.
HairChecklist
Lashes often thin after 50, and lash serums promise fuller ones. The one FDA-approved lash treatment, a prescription prostaglandin solution, warns of darkened eyelids, possibly permanent browning of the iris and stray hair growth. If a cosmetic serum lists a prostaglandin-like ingredient, ask about the same risks.
HairQ&A
AAD advises avoiding lower-leg shaving for at least 24 hours before a pedicure because shaving nicks can create an infection risk.
HairThe short version
Ask your imaging team about the exact lash products and eye makeup you use.
HairQ&A
Keep your exact product's directions and usual treatment routine together.
HairThe short version
Check the missed-dose instructions for the topical liquid you already use.
HairComparison
Low-dose minoxidil tablets have become a popular alternative to the scalp liquid or foam. In a triple-blind trial in 72 women, a tiny daily pill worked about as well as the topical solution over nine months. Across four trials, results were similar, but the pill roughly doubled the chance of unwanted hair growth elsewhere.
HairEvidence check
Saw palmetto shows up in many "hair growth" supplements and serums. Some small trials look promising, but the evidence is limited, many studies test one company's extract, and it isn't a stand-in for proven treatment.
HairChecklist
After a clinician confirms scalp folliculitis, clarify ordinary washing, any medicated product and the review plan.
HairThe short version
If tar shampoo is part of your seborrheic dermatitis plan, discuss light-colored, bleached or tinted hair before using it.
