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Powered by three forms of collagen and four skin-smoothing actives, the Peter Thomas Roth Firm X Collagen Serum visibly softens fine lines to support a firmer-looking complexion. Made up of marine, plant and hydrolysed collagen, the formula protects against the loss of noticeable elasticity, while a 2% Uplevity™ Tetrapeptide blend encourages a plump, bouncy skin appearance. Meanwhile, an infusion of hydroxyproline, peptides, collagen amino acids and fatty acids works to lend moisture-boosting benefits to promote a soft, supple texture, alongside a radiant and refreshed finish morning and night.
