PSI Cosmetology Exam Questions & Answers 100% Accurate

this is commonly known as dandruff - ANSWER-pityriasis the moisture retention ingredient in conditioners (these stay on the hair for 10 to 20 minutes) - ANSWER-Humectant this type of relaxed is compatible with thio relaxers, and has a low pH. - ANSWER-ammonium bisulfite You find two sulfur atoms connected by disulfide Bonds in this amino acid - ANSWER-Cysteine amino acid This is another name for side bonds - ANSWER-Cross bonds This type of bond can only be broken by chemical solutions - ANSWER-Disulfide bonds The process of removing one sulfur atom and replacing it with a disulfide bond - ANSWER-Lanthionization This type of hydroxide relaxer requires the mixing of two products is a no-lye, and has a slightly lower pH. - ANSWER-Guanidine hydroxide relaxer This hydroxide relaxer is located 13+ on the pH scale - ANSWER-Sodium hydroxide relaxer Also known as a end bond (very strong) this bond is created when amino acids are connected end to end - ANSWER-Peptide bonds The study of the microscopic anatomy of cells and tissues of plants and animals - ANSWER-Histology The additional or excess skin that overlaps onto the sides of the nail plate - ANSWER-Perionychium What is transferring a license from state to state called? - ANSWER-Reciprocity This kind of hair color is divided into two types of dye molecules (also known as uncolored dye precursors) - ANSWER-Aniline derivatives