Serum Yall-O2

A balancing serum from Biologique Recherche, Serum Yall-O2 targets redness and uneven texture with a fast-absorbing, non-greasy texture. Lightweight and suitable for combination to oily-prone skin, it feels breathable on application. Fragrance-free formulation and focused on calming benefits make it a candidate for those seeking gentle daily treatment without heavy residue.