Shampoo, Scalp Care, and Hair Analysis Review Notes

Shampoo and Scalp Care Procedures

  • Draping Requirements: Performed prior to hair care services and after the client removes jewelry to protect skin and clothing; draping is always completed before shampooing begins.

  • Capes: Made of plastic or waterproof material for shampooing, wet hair sculpting, designing, and chemical services.

  • LOC Method: Product layering technique consisting of a liquid, oil, and a cream.

  • Shampooing & Brushing Guidelines:

    • Soft water is preferred for shampooing.

    • Always monitor water temperature before applying the water stream to the client's scalp.

    • Brush hair starting from the ends first, then work toward the scalp.

  • Scalp Massage Techniques:

    • Effleurage: Light, gliding strokes used to begin or end a treatment.

    • Petrissage: Light or heavy kneading and rolling of the muscles.

    • Tapotement: Light tapping or slapping movement used to promote muscle contraction.

    • Vibration: Highly stimulating, shaking motion.

Hair Properties and Characteristics

  • Density: The number of active hair follicles per square inch on the scalp.

  • Porosity: The ability of hair to absorb moisture, liquids, or chemicals. Hair with cuticle layers held very close together exhibits resistant porosity.

  • Elasticity: The ability of hair to stretch and return to its original shape without breaking.

  • Hair Types & Loss Statistics:

    • Vellus Hair: Short, fine, non-pigmented hair found more abundantly on women.

    • Average Daily Loss: 40 to 100 strands40\text{ to }100\text{ strands} per day.

Hair Shaft Abnormalities and Scalp Disorders

  • Hair Shaft Conditions:

    • Trichoptilosis (Fragilitis Crinium / Split Ends): Small cracks starting in the cuticle and splitting the hair entirely.

    • Trichorrhexis Nodosa (Knotted Hair): Lumps or swelling along the hair shaft.

    • Monilethrix: Condition where beads or nodes form on the hair shaft.

    • Plica Polonica: Technical term for excessive matting of the hair.

    • Acquired Canities: Loss of pigment in the hair as a person ages.

  • Scalp Disorders and Diseases:

    • Pityriasis (Dandruff): Chronic scalp condition characterized by excessive flaking.

    • Pityriasis Steatoides: Medical term for greasy or waxy dandruff.

    • Psoriasis: Round, dry patches of skin covered with rough, silvery scales surrounded by red inflammation.

    • Tinea Capitis: Scalp ringworm indicated by enlarged open follicles surrounded by red spots; requires referring the client to a physician.

    • Tinea Favosa: Scalp disease marked by dry, yellow, encrusted areas and a peculiar odor.

    • Pediculosis Capitis: Infestation of head lice on the scalp.

  • Types of Hair Loss:

    • Alopecia Prematura: Baldness occurring early in life, beginning as early as late adolescence.

    • Traction Alopecia: Hair loss caused by repetitive physical pulling, such as from tight cornrows.