Women who might become pregnant should be especially cautious with vitamin A supplements or avoid them entirely .

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

For example, 3,000 IU of vitamin A (as retinol) is 900 mcg RAE. About 18,000 IU beta carotene, which is less potent than ...

Dear M.E.B.: I think many media sources avoid the complexity of the issue. The preferred unit to describe doses of vitamin A are now micrograms RAE, or “retinol activity units.” Different vitamin A ...

If your skin is not able to tolerate the harsh aftereffects of retinol, then start with these 5 natural alternatives to it ...

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

Kelly Clarkson Is "Devastated" That Health Concerns "Forced" Her to Cancel Shows There’s a new ‘bonus’ tax deduction worth $6 ...

Banish blackheads, large pores, and big prices. Score this last-chance Prime Day deal on Paula's Choice Skin Perfecting 2% ...

From serums that target the visible signs of aging (like the viral CosRX snail mucin!) to shampoos that address thinning ...

Michel, is on any France-bound hit list, but those of us well-versed in good skincare will have a French pharmacy or two at ...

The AM Facial moisturiser is enriched with hyaluronic acid, niacinamide, as well as three essential ceramides, which combine ...

There are a lot of fantastic K-beauty products out there that work as well as they claim — but one of our editors' favorites ...