Understanding Skin Functuality

Understanding Skin Functuality

Published by Licensed Esthetician Mia on Dec 29th 2023

Stratum Corneum: Cells that are continually being shed and replaced

Stratum Lucidum: Works like a barrier in some manner

Stratum Granulosum: These cells are dying and undergo a change into a hard substance

Stratum Spinosum: form the basal layer – as the cell undergoes mitosis from below, they are pushed upward into the stratum spinosum.

Stratum Germinativum: The lowest layer of the skin.

Components of living Matter (cells)

  • Organic : glucids (sugar)(mucopolysaccharide) carbohydrates turn into sugar
  • Lipids: oil, fat (40% to 50% of corneum ceramide = saturated fatty acids
  • Proteins: chain of amino acids (energy )peptides : 2 or more amino acids
  • Nucleic Acids: DNA (Deoxyribonucleic acid RNA (Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes. RNA and DNA are nucleic acids. Along with lipids, proteins, and carbohydrates, nucleic acids constitute one of the four major macromolecules essential for all known forms of life. Like DNA)
  • Inorganic: Water(h20) 70%water in the body mineral salt (regulate functional of the cells.

Four Grades of Acne

  • Grade 1 > Mild Acne : Micro- comedones . closed comedones , some early pustules .
  • Grade 2 > Acne Cosmetic : Many under the surface closed comedones
  • Grade 3 > Acne Vulgaris : Comedones , papules, pustules
  • Grade 4 > Cystic Acne : Comedones , papules , pustules , nodules , cysts

Grade 1 and 2 can be treated by a licensed esthetician
Grade 3 and 4 should be referred to a dermatologist

Acne Triggers

  • Heredity
  • stress
  • cosmeticas
  • environment
  • hormones
  • friction
  • heat
  • humidity


Fundamental substance

  • Hyaluronic Acid
  • Chondroitin Sulfur

Fibers of the Skin

  • Collagen
  • Elastin

Excess Collagen: keloids (scars)Keloids are 70% collagen 30 % keratin.

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