Niacinamide for dehydrated skin: how to use it and what to expect
Niacinamide for dehydrated skin — what it is, how it works and how to add it to your routine without irritation.
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Retinaldehyde — properties, benefits and how to use it.
Retinaldehyde (retinal) acts faster than retinol but is gentler than prescription retinoic acid.
Suitable for most skin types when introduced sensibly.
Introduce gradually, watch your skin's response and don't skip SPF.
A good compromise between potency and tolerance for experienced users.