Sunlight contains UVB, which induces the skin to synthesize pre-vitamin D3. Healthy individuals have seasonal variations in their vitamin D levels, and may become vitamin D deficient during winter. Lower vitamin D levels have been associated with increased risk for several types of cancer, heart disease, and bone disease. Vitamin D deficiency may also play a role in autoimmune disease. The Tan physics is quite different from the other self-tanners products which are available on the market. It provides you a good as well as natural-looking color which well matches the dissimilar varieties of skin tones. Apart from being a lotion, the tan physics also functions as a cream that has anti-aging properties.
This tanning lotion is the best way to get a sunless tan along with a beautiful bronze shade. One of the best things about tan physics is that it becomes dry faster than any other tanning lotion. Besides this, it is available in different packages on the market.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2692214/
https://carekees.com/best-tan-physic...unless-tanner/