Buzz·Updated on Jul 25, 2018. Posted on Jul 14, 2018Only A Real Skincare Lover Will Get 5/7 In This QuizHow well do you know your acids?by Natalya LobanovaBuzzFeed StaffFacebookPinterestTwitterMailLink Which of these things is Retinol/Vitamin A not useful for? Sun-protection Correct Incorrect Sun-protection Anti-aging Correct Incorrect Anti-aging Exfoliation Correct Incorrect Exfoliation Acne Correct Incorrect Acne Correct! Wrong! Retinol cannot be used for sun protection! In fact, it makes you more sensitive to the sun and more susceptible to sun damage, so you should never wear it during the day. SPF must be a staple in your skincare routine, especially if you use retinol – even during winters and on cloudy days. What does hyaluronic acid do? Exfoliate Correct Incorrect Exfoliate Moisturise Correct Incorrect Moisturise Correct! Wrong! Hyaluronic acid is moisturising! What does microdermabrasion do? Create small incisions in the skin to help regenerate skin growth Correct Incorrect Create small incisions in the skin to help regenerate skin growth Remove old and dead skin cells using micro crystals and a vacuum Correct Incorrect Remove old and dead skin cells using micro crystals and a vacuum Correct! Wrong! Microdermabrasion removes dead skin cells. It is essentially a deep exfoliating treatment that uses small crystals to remove dead skin cells and vacuums them up along the way and leaves you looking instantly rejuvenated. What should you always do if you use retinol? Wash your face after Correct Incorrect Wash your face after Wear SPF Correct Incorrect Wear SPF Correct! Wrong! You must wear SPF Retinol makes you very sensitive to sun exposure so you must wear SPF whenever using retinol products. Which of these acids cannot be used for exfoliation? Salicylic Correct Incorrect Salicylic Hyaluronic Correct Incorrect Hyaluronic Glycolic Correct Incorrect Glycolic Lactic Correct Incorrect Lactic Correct! Wrong! Hyaluronic acid is moisturising, not exfoliating. It helps your skin cells retain moisture. What does face misting do? Moisturise your face Correct Incorrect Moisturise your face Clean your face Correct Incorrect Clean your face Correct! Wrong! Misting moisturises the face. Face mists usually contain water and various active ingredients such as face oils to give you extra moisture. They're super refreshing and can also be used after applying makeup to make sure you have a natural, dewy finish. What does it mean when an SPF has "broad spectrum" protection? It protects from UVA and UVB rays Correct Incorrect It protects from UVA and UVB rays It is suitable for all skin types Correct Incorrect It is suitable for all skin types Correct! Wrong! Broad spectrum protection means the SPF protects from UVA and UVB rays! You should always look for an SPF that is broad spectrum protection, otherwise you are not as protected from sun damage as you can be.