Henna Singh Says:
Firstly, I’d would like to know more about OC8 and find out how it really works and if it does. Secondly, could you tell me which of the new Neutrogena Line from their Healthy Skin products actually has an pH of 3 or 4 so that they can work. Is it possible for something to have sunscreen in it and AHAs and still work? I thought that sunscreen ingredients were too basic.
The Left Brain Responds:
We looked at OC8 in a previous post and it doesn’t appear to use any breakthrough technology to fight facial oil. Of course, that doesn’t mean it’s not a fine facial product – you’ll have to try it and see if you like the way it feels on your skin. But don’t expect miracles.
We haven’t tested the pH of the Neutrogena products so we can’t help you out there. But as far as sunscreens and AHAs are concerned, you’re correct that sunscreens have pH issues. Acidic, or low pH, can totally screw up sunscreen actives. Heather Brannon, MD, at About Skin recommends using a product with inorganic sunblock like titanium or zinc oxide. This kind of product could be used with AHAs because it won’t be affected by pH, but be prepared for the whitish film that it will leave on your skin.
Finally, we note that there are several patents dealing with low pH sunscreens, but none of these are approved by the FDA at this time.
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