the guardian bioeffectSali Hughes, resident beauty columnist for The Guardian Weekend magazine, has featured BIOEFFECT's EGF Serum in an article titled "40 Best Beauty Buys for all ages". Hughes has labelled our EGF Serum as a “luxury serum that really works” and claims that it "smoothed, softened and evened” her skin. Sali highly recommends this product and states that she has “rarely seen such noticeable results from a single skincare product".