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Originally Posted by Angorlee
witch hazel? Ive heard some people use that. Any recommendations. The sunscreen lotion in store go for around $5 or $6 dollars a bottle. That's pretty steep.
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Witch hazel isn't any kind of sunscreen at all. I don't know where you heard that it is. It has zero sun protection qualities; it's just an astringent.
$5 or $6 for a bottle of sunscreen is dirt cheap, when you compare it to the cost of treating skin cancer. Most people recommend an SPF of 30 or higher; I personally think that's a waste. Here's my logic:
SPF indicates "how much longer than usual" you can be in the sun before you get a sunburn. So an SPF of 15 means you can sit in the sun 15x longer than usual before your skin burns.
If you can usually sit in the sun for 10 minutes before your skin burns, then 15x 10 = 150 minutes. That's over 2 hours. You're supposed to reapply this stuff every hour, OR after you go swimming, whichever comes first. So anything longer than a couple of hours protection is wasted, because it'll sweat off of you long before that anyway.
SPF 30 means you can now spend 30x that 10 minute period - that's 300 minutes, or 5 hours in the sun. Do you know anyone who spends 5 hours in the sun? I mean without turning over. Because, y'know, if you're laying out in direct sun on your back, you'll want to flip over so the tan is even front and back right? So that'd be 5 hours *per side.* That's 10 hours of direct sunlight. And of course you still have to reapply it every hour. Plus, you're also assuming that the sun's position in the sky doesn't change the entire 10 hours. Except, it does change, and is stronger mid-day than it is morning or evening. That's why I don't recommend an SPF 30.
If you need to completely prevent a tan, then you need a sunblock, not a sunscreen. Otherwise, just get an SPF 15. It really doesn't matter what brand, most of them use the same ingredients these days anyway. Avoid any with PABA as the active ingredient, and favor octyl methoxycinnimate.
A term to favor is "broad spectrum." This blocks both UVA and UVB exposure, so if you need a sunblock, look for that term. If a sunscreen offers it, you'll need to apply it in generous amounts to get the full benefit, but it can be worth the effort and added expense.