Does wearing normal lotion under sunscreen effect its effectiveness?

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  • #91813
    rozyisback
    Member

    And does it make it clump? I thought my lotion was the problem so I stopped wearing it but my my sunscreen is still clumping.

    #93985
    RandyS
    Member

    I thought that you figured out the problem was applying sunscreen to wet skin? 

    #93995
    rozyisback
    Member

    Nope still having that clumping problem. I have tried not wearing lotion and being completely dry and it doesn’t make a difference. Maybe I’m applying too much? But I’m applying as much as they say you actually should. 

    #94039
    TwoBirds
    Member

    Sometimes if carbomer is an ingredient it can be very hard to use with other products or on oily skin, having a tendency to “ball”.  Maybe try another brand?

    #94045
    rozyisback
    Member

    I already tried Neutrogena and this current one is Banana Boat it does have carbomer. I’m not sure about the Neutrogena one but I’ll check. I do have oily skin too. What should I look for in a sunscreen? I’m going to try oil based. 

    #94046
    rozyisback
    Member

    Why is caromber used in sunscreens and why does it cause clumping? 

    #94049
    RandyS
    Member

    Carbomer is a thickener and helps to stabilize emulsions. As the solvent (water) evaporates the polymer falls out of soution and can cause clumping. This doesn’t happen in every product. It depends on how much is used and what else is in the formula. 

    #94057
    TwoBirds
    Member

    I use Sanitas Solar Block every day and have never had an issue with it.  It’s SPF 27, I’m inside most of the day (morning/evening commute, try to stay in the shade when I’m out), quite fair and have never burned with it on.  Being Australian, I don’t usually use over an SPF 30 because, from my understanding, after a 30 you’re not getting x times your burn rate, it’s incrementally smaller.  I’m never in the sun for anywhere near what an SPF 20 would even give me. (maybe it’m completely wrong – perhaps a refresher article on SPF would be good?  Many of my clients have no idea how sunscreens work ;)  ) I generally look for zinc oxide only for the face as titanium dioxide is more opaque/white and can cause “flash back” in photos and I can’t be bothered having multiple daily sunscreens.

    Ingredients: Distilled Water, Zinc Oxide, Decamethyl Cyclopentisiloxane, Polyarcylamide, Dimethicone Copolyol, C12-15 Alkyl Benzoate, C13-14 Isoparaffin, Galactoarabinan, Retinyl Palmitate (Vitamin A), Methicone, Melanin, Lonicera Caprifolium Flower Extract, Lonicera Japonica Flower Extract, Sodium Levulinate, Sodium Anisate, Mirococcus Lysate (Plankton Extract), Lecithin, Cyclomethicone, Beta Glucan, Hyaluronic Acid, Ascorbyl Tetraisopalmitate (Vitamin C), Tocotrienols (Vitamin E), Laureth-7.
    #94058
    rozyisback
    Member

    Ya I look literally pasty in titanium. 

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