Used only once. This BB cream offers SPF50+ and PA++++ protection, and is designed to protect against long UVA rays. It effectively shields the skin from UV rays while also providing coverage for areas of concern such as blemishes and uneven skin tone, resulting in a radiant, natural, and bright complexion. Furthermore, it protects the skin from the adhesion of UV rays and atmospheric particles*1, promoting healthy skin. "Long UVA" rays are known to cause damage deep within the skin, leading to aging signs like spots, wrinkles, and sagging. This product utilizes technology to block long UVA rays, which account for approximately 75% of the UV rays reaching the earth. It also contains La Roche-Posay Thermal Water (skin-conditioning ingredient) to soften the skin and support its natural functions.