At the same index, what distinguishes milk from oil?

Once you have determined the protection you need, feel free to choose the texture that suits you best.

The same applies to milk or oil, which protect against the harmful effects of the sun in the same way. Slight difference in formulation: while milk hydrates and nourishes the skin like a true treatment, oil works by strengthening the hydro-lipid barrier and thus limiting water loss during exposure. Oil is especially appreciated when you want to brighten your tan.

Also read:

Sun protection, what are the characteristics?
Which sunscreen to choose?
Men’s sun products, what are the specifics?