The Ordinary Amino Acids + B5 Dupes & Cheaper Alternatives

A watery centella ampoule that people use before moisturizer or tret. It suits irritated, dehydrated, or barrier-damaged skin. On very reactive faces, it can sting, break out, or do basically nothing.

Studies found azelaic acid helps acne, and Redditors say this 10% serum is especially good for redness, breakouts, and post-acne marks. It’s lightweight and calming, though some people get stinging, dryness, or a weak response.

A beta-glucan serum with a very short, humectant-heavy formula that people use for dehydration and barrier recovery. It layers well on damp skin and suits tret users, but reformulation complaints and occasional breakouts are real.

This creamy serum layers under moisturizer and pairs niacinamide, tamanu oil, ceramide NP, and humectants for barrier-focused support. Redditors call it an HG for stripped, irritated skin; studies find niacinamide’s acne benefit uncertain, and reactive users report burning or hives.