1. Protection: The cuticle protects the epidermis from mechanical damage, water loss, UV radiation and pathogens. It also act as a barrier against the entry of harmful substances and microorganisms into the body.

2. Sensation: The cuticle contains nerve endings that provides a sense of touch and perceive environmental stimuli.

3. Excretion: The cuticle helps in the excretion of waste products through the sweat glands.

4. Thermoregulation: The cuticle helps regulate body temperature by controlling the amount of heat loss through sweating.

5. Vitamin D synthesis: The cuticle allows ultraviolet radiation to penetrate the skin, which is necessary for the synthesis of vitamin D.

6. Hair growth: The cuticle of hair follicles helps in hair growth and protection.

7. Nail formation: The cuticle of the nails helps in nail growth and protection.

8. Waterproofing: The cuticle helps to waterproof the skin, making it less susceptible to damage from moisture.

9. Insect and disease protection: The cuticle can help to protect the skin from insect bites and stings, as well as from certain diseases.

10. Lubrication: The cuticle helps to lubricate the skin, which can help to reduce friction and make movement easier.