How much sunscreen to use to avoid a burn| Dr Dray 🌞

Colorescience Total Protection Body Shield SPF50 https://goo.gl/ZtbL4h Use Coupon code BODYDD for a FREE Pressed Mineral Bronzer with purchase of $100+ 💜One crown-shaped bottle cap lid holds 3.3 grams = 3,300mg sunscreen. Sunscreen must be applied at 2mg/cm2 surface area to reach the SPF on the label. 💜For the face and neck: The face and neck are less than 9% body surface area (about 685cm2) You need 1.37g (1,370mg) sunscreen, which is about half a bottle cap full 💜For the entire head and neck (including scalp) you need one cap full 💜For one entire arm (including hands, fingers, shoulder): This is 9% of your total body surface area (about 1,1557cm2) You need 3.114g (3,114mg) of sunscreen, which is one cap full 💜For the entire back and buttocks: This is 18% of your total body surface area (about 3,114cm2) You need 6,288mg (6.228g) of sunscreen, which is two cap fulls 💜For the front torso (chest and abdomen) This is 18% of your total body surface area (about 3,114cm2) You need 6,288mg (6.228g) of sunscreen, which is two cap fulls 💜For one entire lower limb (thigh, calf, shin, ankle, foot, toes) This is 18% of your total body surface area (about 3,114cm2) You need 6,288mg (6.228g) of sunscreen which is two cap fulls Reference: https://bit.ly/2lOFofq 💜Good mineral sunscreens (US)Vanicream https://amzn.to/2KCsPlv Cerave baby https://amzn.to/2KB2Mel Aveeno baby https://amzn.to/2tOMCV3 NO-AD Naturals Clear https://amzn.to/2tPVERI Blue lizard https://amzn.to/2IMvLXz 💜Good