BARE FACTS | Science
» Body science | Lips
Outer layer (epidermis)
Inner layer (dermis)
Malpighian layer
Outer layer (epidermis)
Very thin and delicate, flakes and dries easily.
It is made of dead cells and has no blood supply.
Inner layer (dermis)
Good blood supply – gives colour to lips.
Malpighian layer
Cells in this layer divide to produce new cells.
Lipstick ingredients
• Castor oil
• Microcrystalline wax
• Wax
• Other mineral oils
• Minerals and colourings
• Castor oil and wax help to lubricate
and moisten the skin
• Stains
Skin protection
Sun Protection Factors may be included in the
lipstick formula – this helps to reduce lip damage
from UV light, but the base products of waxes and
lanolins give excellent protection from dryness
and also aid softening of the skin.
Cytoplasm
Nucleus
Cell structure
Ribosome
Mitochondrion
Cell membrane
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