Note that your quote from GP only relates to melanoma. They also said "Cumulative sun exposure on the other hand causes the other types of skin cancer."
Its there evidence that the incremental tanning you describe actually protects you from skin cancer and will not cause other cancers? If not, this seems like a very reckless comment.
Melanoma is far more deadly than the other types of cancers. If building a base tan can protect you from the acute blistering burns that are known to cause melanoma, it may be worth it
Its there evidence that the incremental tanning you describe actually protects you from skin cancer and will not cause other cancers? If not, this seems like a very reckless comment.