[Effect of a synthetic detergent (Syndet) on the pH of the skin of infants].
The long- and short-term effects on the skin of infants of a synthetic detergent (syndet) with an acid pH were investigated and compared to ordinary soap. The short-term effect was determined by measuring the skin pH on different parts of the body before and 20 min after washing with syndet. The long-term effect was tested in a second group, in which the infants were washed either with ordinary soap or with syndet for 3 days. The skin pH was measured 4-5 h after washing. The results were evaluated statistically. The results show that for a short time syndet displaces the skin pH towards acid pH in younger infants; however, the skin pH is not influenced in older infants. Syndet keeps the skin pH in the physiological range for a longer time after washing than ordinary soap.
D000136:Acid-Base Equilibrium / Q000187:drug effects*; D003902:Detergents / Q000494:pharmacology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007223:Infant; D007231:Infant, Newborn; D008134:Long-Term Care; D012867:Skin / Q000187:drug effects*; D012915:Soaps / Q000494:pharmacology; D013501:Surface-Active Agents / Q000494:pharmacology*
D003902:Detergents; D012915:Soaps; D013501:Surface-Active Agents
Der Einfluss eines synthetischen Detergens (Syndet) auf das pH der Haut von Säuglingen.