Timeless Vitamin B5 Serum Dupes & Cheaper Alternatives

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 basic hyaluronic acid serum with glycerin and sodium hyaluronate that people use after cleansing, often on damp skin, before moisturizer. It suits dehydrated or retinoid-dry skin. In very dry air or without an occlusive, it can feel tight or even backfire.

A hyaluronic acid serum with panthenol and glycerin that people mainly use for dehydration and post-retinoid tightness. Best on damp skin under moisturizer, especially if your barrier is cranky. Dry climates and heavy layering can make it feel sticky or useless.

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.