A
Spiral or corkscrew-shaped bacteria that cause diseases such as syphilis and Lyme disease.
Spirilla –
The deeper layer of the dermis that supplies the skin with oxygen and nutrients; contains fat cells, blood vessels, sweat and oil glands, hair follicles, lymph vessels, and nerve endings.
Reticular Layer –
The living skin at the base of the natural nail plate that covers the matrix area.
Eponychium –
– Temporary hair loss experienced at the end of pregnancy due to hormonal changes.
Postpartum Alopecia
– A change in the form or physical properties of a substance, without a chemical reaction or the formation of a new substance (e.g., ice melting into water).
Physical Change
– Lines used to blend and soften horizontal or vertical lines in a haircut or style.–
Transitional Lines
– Surface-active agents that reduce surface tension between two substances, such as oil and water, allowing them to mix (e.g., in shampoos and cleansers).–
Surfactants
A haircutting technique used to remove bulk without shortening the length, creating movement and volume.
Texturizing –
– A styling product that adds weight to the hair, enhances shine, and creates a sleek or textured look.
Pomade or Wax
– Strips of hair (human or synthetic) that are sewn or bonded together and used for hair extensions.–
Wefts
– Strong chemical side bonds formed between sulfur atoms in polypeptide chains; these bonds are broken by chemical relaxers and permanent waving solutions.–
Disulfide Bonds
A technique that combines equal parts of hair color and shampoo to refresh, blend, or lighten the hair.
Soap Cap
The skin’s natural reaction to UV exposure, producing melanin to protect from sun damage.
Tan
.
A hair removal technique using twisted cotton thread to remove hair from the follicle, commonly used for eyebrow shaping.
Threading
Moisturizing ingredients that soften and hydrate the skin by preventing water loss, often found in lotions and creams.
Emollients