The sun's ultraviolet radiation is dangerous to our skin cells because it damages our DNA. That's why sun exposure can cause cancer, and why sunscreen is so important (even apart from its power to prevent sunburns). There are sunscreens that claim they can help your skin repair that damage — and, it turns out, they actually might (might!) work.
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Coconut oil is great for your hair, and some people use it on their skin, too. But it seems as though every time I see somebody singing the praises of moisturising with the stuff, their very next complaint is that they just need to figure out how to get rid of their stubborn acne.
In theory, SPF 50 and SPF 100 are very similar sunscreens: one blocks 98 per cent of UVB rays, and the other blocks 99 per cent. The problem is, nobody applies the amount of sunscreen that will get you the SPF listed on the bottle. So in reality you're getting very different protection out of those two bottles.
If you want to expand your skincare routine beyond cleansing, moisturiser and sunscreen, exfoliation is a good next step. Exfoliating serums and scrubs boast that they can fight acne, clear your pores, reduce fine lines and make your skin vaguely brighter. Some of those promises are true, but they're not the whole story. So here is your scientific, medically backed look at exfoliation: what it can (and can't) do for your skin, and which effective, inexpensive products you can try out.
If you want to offset dark circles, redness, or dark spots with makeup, you have to understand how using orange, green, yellow, and a few other colours can even out your skin tone -- called colour-correcting. The technique is popular, but really easy to mess up. This video helps clear up the confusion.
My university roommate and I stood worlds apart. She'd slap some body lotion on her face, as in lotion left over from her arms and legs, straight from the pump bottle. Meanwhile, I moisturised with special facial moisturisers. I thought she was doing more harm than good, but her method wasn't as harmful as I thought.