SkinCeuticals vs. Fingernails: Distinct Entities

SkinCeuticals is a professional skincare brand (L'Oréal) known for antioxidant serums (CE Ferulic, Phloretin CF), sunscreens, and corrective products.

Fingernails are keratinized epidermal appendages composed of hard α-keratin, produced by the nail matrix.

They are entirely unrelated. SkinCeuticals products are applied to skin; they are not a structural component of nails. The confusion may arise from "ceutical" (cosmeceutical) sounding like a biological term.