Answer:
No. There is no safe amount of tanning. Tanning isn't bad for you just because it comes with the risk of burning, which can cause skin cancer.
I would tell her that they may LOOK healthier, but they are at risks for many things.
Step-by-step explanation:
If I were her, I would just stick to the sun tanning, when your laying out in the sun and get a little tan. Not to go someplace and get a tan, its dangerous.