M&S’ most high-tech £29 serum that has 89% of users reporting smoother skin drops today
The all-new Ultra Peptide Serum has landed, and it packs some seriously powerful anti-ageing ingredients usually reserved for pricey products
Money
Zoe Cripps Head of beauty, fashion and shopping
09:37, 06 Aug 2026Updated 09:47, 06 Aug 2026






