4. Peptides
Peptides are small chains of amino acids that serve as building blocks for proteins like collagen and elastin in the skin. Incorporating peptides can help to promote firmer and smoother-looking skin.
Top tip: peptides are gentle, making them suitable for daily use.
5. Niacinamide
This versatile ingredient is a form of vitamin B3, known for its ability to improve skin elasticity, enhance barrier function, and even out skin tone. It also aids in reducing inflammation and redness.
Top tip: layer with other serums or use in formulations that include multiple active ingredients.
6. Glycolic Acid
An alpha hydroxy acid (AHA) that exfoliates the surface layer of skin, promoting smoother and more even skin tone. Glycolic acid can also improve the appearance of skin texture, making it an excellent anti-ageing ingredient.
Top tip: start with lower concentrations and avoid using with strong retinoids to prevent irritation.