Articles on skin and hair: acne, eczema, moles, hair thinning and the treatments in use. A mole that changes, bleeds or looks different from the rest should be checked by a dermatologist.
Rosacea and acne both cause red bumps on the face, but they are different conditions. Rosacea usually begins after age 30, brings flushing and…
Skin cycling is a four-night rotation, one exfoliation night, one retinol night, then two recovery nights with only cleanser and moisturizer, meant…
Tretinoin is prescription-only retinoic acid, the form of vitamin A that skin cells use directly, and randomized trials support it for acne and sun-damaged…
'Cortisol face' is a social media term, not a medical diagnosis. Ordinary stress raises cortisol briefly but does not reshape the face. Marked facial…
Hair porosity describes how easily your hair's outer cuticle layer lets moisture in and out. Low porosity hair has tightly sealed cuticles and absorbs…
Rosacea is a long-term inflammatory skin condition with no cure, but it is very manageable. Treatment combines gentle skincare, daily broad-spectrum sun protection, avoiding…
Phototherapy for psoriasis uses controlled ultraviolet light, most often narrowband UVB, to slow the overactive skin-cell growth and immune signalling that drive plaques. Sessions…
Niacinamide, the amide form of vitamin B3, is a well-studied skincare ingredient that supports the skin barrier, may reduce the look of dark spots…
Most ingrown hairs clear up on their own within one to two weeks once you stop shaving or waxing the area. To speed things…
Salicylic acid is a beta hydroxy acid that loosens the bonds between dead skin cells and dissolves oil inside pores. On skin, it exfoliates,…
In many cases, yes: you can tattoo over scars, but timing and scar type matter more than most people expect. Fully matured scars…
Razor bumps usually fade on their own within two to three weeks once you stop shaving the area. Cool compresses, gentle cleansing, and moisturizing…
Shingles itself is not contagious, but the varicella-zoster virus inside its blisters can spread. Someone who has never had chickenpox or the chickenpox vaccine…
The skin barrier is the outermost layer of your skin, flattened cells bound together by lipids, that holds water in and keeps…
Dandruff is usually caused by an overreaction of the scalp to Malassezia, a yeast that lives on almost everyone's skin and feeds on scalp…
Skin purging is a short-term flare of small blemishes that can happen when an ingredient that speeds skin-cell turnover: a retinoid or an…
Psoriasis itself does not destroy hair follicles, but scalp psoriasis can cause temporary hair loss. Thick scale, inflammation, scratching and picking at plaques can…
Hyaluronic acid is a sugar molecule your body already makes that binds water, up to roughly 1,000 times its own weight. Applied to…
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