Peptides

Peptides are short chains of amino acids — the building blocks of proteins like collagen and elastin. In skincare, peptides help improve skin firmness, elasticity, and texture by supporting collagen production. They’re essential for maintaining youthful, healthy skin, especially as natural collagen levels decrease with age.

Peptides help reduce fine lines, improve skin elasticity, strengthen the skin barrier, and promote repair. They’re especially effective in anti-aging routines and for people with dry, sensitive, or damaged skin. Regular use of peptides can result in a firmer, smoother, and more resilient complexion.

Peptides are commonly found in serums, ampoules, and creams. Apply them after cleansing and toning, and before your final moisturizer. Peptides work well with other ingredients like hyaluronic acid or niacinamide.

Yes! Peptides are generally gentle and well tolerated by all skin types, including sensitive or reactive skin. They help soothe irritation, strengthen the barrier, and support recovery — making them a great option for anyone dealing with dryness, redness, or signs of stress.

Popular peptide products include the Klairs Midnight Blue Youth Activating Drop, as well as skincare from brands like COSRX, and Beauty of Joseon. Browse our full peptide skincare collection for all options.