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A parasitic submicroscopic particle that infects and resides in the cells of a biological organism is a:

Single-use items that do not have the capacity to be disinfected after each client use must be:

Shampoo that can leave the hair dry and brittle and cause fading in color-treated hair is:

The water-attracting head of the surfactant molecule is:

Use of disinfectants as hand cleaners can cause skin irritation and allergy.

Shampoos that help close the hair cuticle and are balanced to the pH of skin and hair are:

Human immunodeficiency virus (HIV) is the virus that causes:

Microscopic plant parasites that include molds, mildews, and yeasts are:

To be effective, a shampoo must remove all dirt, oils, cosmetics, and skin debris without:

Acquired immunity is partly inherited and partly developed through healthy living.