How often to exfoliate depends on the product: peeling gels 1-2 times a week, mild acid toners and BHA pads up to daily, plus signs you're overdoing it.
Use at least a quarter teaspoon of sunscreen on your face; the AAD advises a teaspoon, about two finger-lengths. Plus gels, sticks and 50 ml tube life.
Pimple patches cover a surfaced spot and absorb its fluid. See which blemishes they suit, which they don't, and how hydrocolloid and microneedle differ.
Haruharu Wonder is good-value hydration: start with the fragrance-free Sensitive toner, then the unscented cream for dry skin or the gel cream if oily.
Klairs Midnight Blue Calming Cream is blue from chamomile-derived guaiazulene: a light, fragrance-free gel-cream for easily irritated skin, in 30ml or 60g.
d'Alba First Spray Serum is a two-layer hydrating mist, not a targeted serum. How it compares with Aromatic and Vital on formula, scent and price per ml.