The Ordinary Lactic Acid 5% Face Treatment Serum, 30ml

Lactic acid 5% And ha is a mild alpha hydroxy acid solution that offers gentle yet effective exfoliation targeted at the skins surface. It is supported with purified tasmanian pepper berry extract, which has been shown to reduce irritation and sensitivity that can be associated with acid use. This water-based serum is ideal for dry and sensitive skin. This ph of this formula is approximately 3.8. Lactic acid has a pka of 3.8 and pka is the most important aspect to consider in formulating with acids. Pka implies acid availability. When pka is close to ph, there is an ideal balance between salt and acidity, maximizing effectiveness of the acid and reducing irritation Gender: Unisex Category: Skin Care Type: Oil and Serums Size: 30ml Targets Textural Irregularities And Signs Of Congestion Aids In Appearance Of Uneven Skin Tone Targets Signs Of Aging