The two main skin layers are :-
EPIDERMIS
It is the outermost layer of the skin and provides a waterproof barrier and creates our skin tone.
DERMIS
This is right below the epidermis and the function of it is to protect and support the skin including deeper layers.
To have a healthy skin:
To have a healthy hair:
( in the first question what does these refer to? i will tell you the answer in the comments if you tell me what it means )
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