SPF stands for Sun Protection Factor. A value that indicates protection against a sunburn on protected skin compared to unprotected skin. Higher SPF values may correlate with increased sunburn protection.
A skin concern that is common to men and women, usually happen to teen in the puberty phase. Acne happens when the skin pores get clogged by dirt and dead-skin cell, and excessive oil production on the oil glands.
The wavelength of ultraviolet light that leads to signs of aging by destroying existing collagen and elastin within the skin and undermining the body's ability to create more of each.
Natural responds for wounds or abnormal stimulation that caused by chemical substance or biological substance. Your skin will show signs like itchy, redness on the skin, or the warm feeling when it has inflammation.