Hair Glossary 3: Laxy – pH scale

Laxy: My word for a person with a hair relaxer. This is not a derogatory term.

Leave-in Conditioner: A thinner and lighter conditioner that is not washed out. This type of conditioner is used keep hair moisturized for extended periods of time.

Low-Poo (or Lo Poo): Washing your hair with a conditioner more often than washing with shampoo.

No-Poo (or No Shampoo method): Washing your hair only with conditioner and not shampoo.

Oily Hair: A result of over production of sebum. Sebum is your scalp’s natural oil.

Panthenol (Pro-vitamin B5): Panthenol is a humectant, emollient, and moisturizer that actually penetrates your hair shaft. It is offen used in shampoos and hair conditioners, typically in a concentration of 0.1 – 1%. It coats and seals the surface of your hair, lubricates your follicles, and makes hair look shiny. Other names for panthenol are: D-Panthenol, Dexpanthenol (DCIR), Dexpanthenolum, Propanolamine, N-pantoyl, d-Pantothenyl alcohol.

Papilla: The root of the hair where new hair cells are formed.

pH scale: A scale that measures a substance’s acidity and alkalinity. These are some common pH values:

  • Acid mine runoff has a pH of -3.6 – 1.0 (Acid)
  • Battery acid has a pH of -0.5 (Acid)
  • Gastric acid has a pH of 2.0 (Acid)
  • Lemon juice has a pH of 2.4 (Acid)
  • Cola has a pH of 2.5 (Acid)
  • Vinegar has a pH of 2.9 (Acid)
  • Orange or apple juice has a pH of 3.5 (Acid)
  • Beer has a pH of 4.5 (Acid)
  • Acid Rain has a pH of 5.0 (Acid)
  • Coffee has a pH of 5.0 (Acid)
  • Tea has a pH of 5.5 (Acid)
  • Milk has a pH of 6.5 (Acid)
  • Pure water has a pH of 7.0 (Neutral)
  • Healthy human saliva has a pH of 6.5 – 7.4 (Alkaline)
  • Blood has a pH of 7.34 -7.45 (Alkaline)
  • Sea water has a pH of 8.0 (Alkaline)
  • Hand soap has a pH of 9.0 – 10.0 (Alkaline)
  • Household ammonia has a pH of 11.5 (Alkaline)
  • Bleach has a pH of 12.5 (Alkaline)
  • Household lye has a pH of 13.5 (Alkaline)

Hair Glossary 1: Acids – Conditioner
Hair Glossary 2: Conditioner Wash – Keratin
Hair Glossary 4: Pomade – Slip
Hair Glossary 5: SLS – TWA

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