Peter Thomas Roth | Firmx Collagen Serum Face Serum With Collagen | Collagen Serum, Firming Face Serum, 1 Oz

Peter Thomas Roth Firmx Collagen Serum is a potent formula designed to boost skin's natural collagen production, helping to firm and tighten the complexion. This 1 oz serum penetrates deeply to improve elasticity and reduce the appearance of fine lines, providing a smoother, more youthful skin texture. Ideal for those seeking expert-level collagen support, it enhances skin resilience and promotes a visibly lifted look with regular use.