Fingernails grow about 0.1mm per day. Fingernails grow faster than toenails and grow faster in the summer than in winter.
The skin contains proteins called keratins.
Your skin has three layers:
Epidermis (Dead & Waterproof)
Dermis (Hair & Sweat Glands)
Subcutis (Fat & Large Blood Vessels)
About 85% of people suffer from acne at some point in their lives.
1 in 5 people will have skin cancer.
Antiperspirants usually are salts that plug a hair follicle to prevent sweating. Deodorants are cosmetics that mask body odor.
Your skin is constantly shedding; about 30,000-40,000 cells per minute or 9 pounds per year!
Melanoma is the most common cancer for people who are 25-29 years old.
We have about 3 million sweat pores in our skin. We sweat when our body gets overheated. We feel a cooling sensation when that sweat evaporates.
About half of the dust in your home is made of shedded skin cells.
Sweat does not normally smell. Bacteria that live on our skin creates the odor.
Skin accounts for around 15% of your body weight.
Melanocytes are the cells that help give our skin color. Everyone has the same number of melanocytes. Skin color is due to the activity of the melanocytes not their number.
The average persons skin covers about 2 square meters.
The skin is the largest organ of the body.
Body hair will grow for about 2-6 years. You normally shed about 100 hairs per day.
The thinnest skin on your body is found on your eyelids - Only 0.02mm thick!
A normal skin cycle is 28 days. That means your skin renews itself almost every month. It usually takes at least 2-3 skin cycles of using a skin treatment product to notice a change in your skin.
One American dies from melanoma about every hour.