Correlation between pH and irritant effect of cleansers marketed for dry skin

• DOI: 10.1046/j.1365-4362.2002.01555.x
• Publication Date: 2003-03-12T01:38:46Z
• Authors: Lourdes Baranda; Roberto González‐...; Bertha Torres‐Alv...; Carmen Alvarez; Victoria Ramírez
• Keywords: Skin irritation; Dry skin; Cleanser; Erythema

Although it is important that dermatologists and the general population know irritation potential of products marketed for dry skin used body cleansing, this information not usually available.To assess irritative effect different soaps liquid cleansers recommended sensitive skin. To study correlation each substance with its pH presence or absence syndet in product.Seventeen 12 common by were studied. Fresh soap emulsions (8%) applied to volar side right forearm 30 individuals 5 consecutive days using aluminum chambers. The appearance (erythema, scaling fissures) was recorded, scored, expressed an Irritation index (IrIn). solution measured.Products a low IrIn White Dove (Dove, Lever Pond's, Toronto, Ontario, Canada), Baby, Cetaphil (bar) (Cetaphil, Gulderma Lab., Forth Worth, TX, USA), cleanser hands, pink, Aderma (Adenma, Pierre Fabre, Dermo-Cosmetique, Boulagne, France). Most corresponded products. Among most brand-name soap, Camay Classic (Camay, Procter & Gamble de Mexico, México, U.F.) had lowest IrIn. Baby only product neutral pH. A significant between found (P < 0.006).Most have considerable effect, which related product. Better regulation advertisement specifications including level type contained necessary majority cleansers.