physical sunscreen spray

So the sunscreens in moisturizers that I use has only small amount of ZO, 3%.  I usually use it first thing in the morning.  I would like to put some sunscreen on before driving home in the afternoon.  I don't want to put on moisturizer over my makeup, and I don't like the off the shelve sprays because they feel oily.  I was thinking if I put 5% ZO and 5% TiO each (or 10% if 5% is not enough) in witchhazel as a spray, would it work as a sunscreen?  I use Thayers Witch Hazel Alcohol-Free Rose w/Aloe Vera.  I know it would not be water proof.  I just need something to top off my sunscreen in the afternoon.


  • Don't screw around with making your own sunscreen. The physical sunscreens you asked about (especially TiO2) tend to aggregate if their not properly dispersed. That means the little particles come together to form larger particles. Not only would this make it hard to spray but it reduces coverage on your skin and impacts the product's efficacy. 

    Finally, even if you could get the particle size small enough, I don't think these materials are safe to inhale. 

  • My dermatologist gave a thumbs up to Colorscience Sunforgettable. It is a powder sunscreen you use to reapply sunscreen over makeup.

    The product is not meant to be your main sunscreen, but it is good for reapplying to re-up your sunscreen during the day.

    It is pricey, but it also last a long time and the refills are much more reasonably priced.
  • What is in Sunforgettable that make it stick to your face and not just brush off?  Note the comment above about no inhaling ZO or TiO.
  • I have no idea how to explain why and how powders stick to skin. Maybe Randy can explain that one to everyone. Because I don't breathe in while applying the Colorscience product I am not concerned about breathing in anything I should not.

    Using a spray sunscreen over makeup doesn't give you the sun protection you are looking for, because spray sunscreen is designed to be put directly onto skin, not overtop makeup. Plus spray sunscreens, if I understand correctly, should be sprayed into the palms of your hands and rubbed onto the face.

    If you really want to make sure you have a good amount of sunscreen on your face (and any other exposed skin!) on your drive home in the afternoon you could always wash all your makeup off and reapply sunscreen. My dermatologist did say that was the absolute best thing to do. Not all that practical, true, but the best thing regardless.

    I hope you find what works for you. The Colorscience product works well for me. :)
  • If you can post the ingredients for Sunforgettable I'll take a look but many powders do adhere to skin just because 1) the surfaces are both hydrophobic and 2) the particles texture may help hold it in place. Chalk it up to Van der Waals force, I guess. 
  • Lol Van der Waal's force. I love the super technical explanation, I personally would have preferred this though

  • nvm it wont pst the link. :P

  • I hope the link works. 

    This is the ingredient list as per the amazon website : 
    Titanium Dioxide 12%, Zinc Oxide 12%. , Mica, dimethicone/vinyldimethicone crosspolymer, corallina officinalis, calcium silicate. May contain: iron oxides, titanium dioxide, dimethicone.

    Does that help, Randy?
  • Wow, this thing is loaded with Ti02 and ZnO! Those particles are pretty at adhering to skin but I see the product also contains a dimethicone cross polymer that is either a coating agent or another ingredient that should help it adhere even better.   
  • edited June 2015
    I just know it works well for me and the dermatologist said it is an acceptable way to reapply over makeup. 

    Thanks, Randy!
  • The only thing I'll say about the colorescience powder sunscreen.  It agree that it wouldn't likely work as your only protection.  I say that because, when I was younger and naive, I tried to use it that way and managed to get a sunburn with it on (I didn't have any other sunscreen on).  So I agree with the advice to use it as a way to refresh your sun protection but not on its own.  It's also possible, though, that I didn't apply generously enough.  
  • I will give it a try.  Thanks for the tip lindygirl!
  • I came across this
    I think I will give this a try.  Hopefully, the color will match my skin tone.
  • A sunscreen spray...? I haven't heard of the same. I guess this will enhance my knowledge about the sunscreens. I am glad I got to know this. 
  • Elta MD makes a spray, but I think it contains octinoxate as well as zinc oxide.
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