overgrowth in thickness of the nail, caused by local infection, internal imbalance, may be hereditary.

Loosening of the nail without shedding

Wart

the ph of skin hair and nails

The most common reducing agent in perms.

Abnormal brittleness with lines of the nail plate.

Severe inflammation of the nail in which a lump of red tissue grows up from the nail bed to the plate.

an acquire, superficial, thickened patch of epidermis commonly known as callus.

strong chem side bonds formed when the sulfer atoms in two adjacent protein chains are joined together. Only broken by chem, not by heat or water.

The active or reducing agent in alkaline perms, helps solution penetrate cortex, this agent is ammonia.

thickening and increased curvature of the nail.

bacterial inflammation of the tissues around the nail, pus thickening and brownish discoloration of the nail plate.

A condition of dry scaley skin, sebum deficit

weak physical side bonds that are the result of an attraction between neg and pos electrical charge. Easily broken by changes in ph, rebuilt when they return to normal.

blends gray hair, enhances natural color, deposit only

ingrown nails

Growth of the horny epithelium of the nail bed

sebaceous cyst or fatty tumor.

weak physical side bonds, result of attraction between pos and neg, easily broken by water or heat, reform as hair cools.

lightens and deposits color in a single application.

Periodic shedding of one or more nails

whitish patches on the nail that can be scraped off or long yellowish streaks within the nail

deficiency in perspiration

When a side (disulfide only?) bond is broken through this chem reaction

Course Hair requires a more BLANK solution, whereas fine, porous, damaged, or bleached hair requires a more BLANK solution.