Niacinamide (Vitamin B3) has long been a skincare superstar in topical serums, but in 2026, the focus has shifted toward internal supplement

Treating PCOS (Polycystic Ovary Syndrome) during perimenopause and menopause is rarely discussed online. It involves treating PCOS symptoms that can be magnified by the hormonal shifts triggered by perimenopause and menopause, i.e. acne, facial hair-growth, head hair thinning, and weight-gain.