Some sensitize skin to UV light increasing your chance of burning or developing a rash or itch.
They do not produce melanin and will burn easily unless shielded with lip balm or sunscreen.
Sunburn is the enemy associated with permanent skin damage.
Each of the six skin types reacts differently to sun exposure and knowing where you are on the scale helps prevent overexposure.
Wear full-spectrum sunscreens appropriately even if you have a tan.
Indoor tanners should always wear tanning goggles that meet federal protection standards. And when outdoors wear sunglasses that block Ultraviolet A and B rays.