Common causes of skin darkening as we age
Skin color at birth is an indicator of each person’s original shade before environmental and lifestyle factors could have an effect.
Dermal versus epidermal hyperpigmentation: How deep does the melanin go?
The skin is made up of layers, split by the epidermis at the top and the dermis that is deeper underneath. Excess melanin caused by hyperpigmentation, damage or injuries can be found within either layer.
How the skin darkens under sunlight: UVA versus UVB rays
When exposed to sunlight, the skin usually darkens from both UVA and UVB rays. How are they different?
Melanocytes determine skin color
Our natural skin color is determined from birth. Over time, however, many things can happen to alter the colour of our skin.