Categories: InformationVitamin C

Combining Vitamin C with ingredients like Retinol and Niacinamide – #AskDoctorAnne

I use it for mainly two reasons that I quickly wanted to address first one being it oxidizes and stains your skin yellow when you use it throughout the day well if ascorbic acid oxidized it turns orange or dark  allow and yes if you apply that to your skin that could actually lightly stain your skin but if this happens to you need to look for that vitamin C product because that means that it is incredibly unstable not well formulated and oxidizes before it is absorbed into the skin or it actually doesn’t really absorb into your skin because it sits on the surface where the sunlight the UV light can oxidize it entering Orange I have been using my vitamin C serum in the mornings for seven years eight years now and I never ever have my skin turn orange.

So if this happens to you this is not always the case something is wrong with the product you’re using switch to another one and the second thing that I heard is that people claim they don’t like to use their vitamin C throughout the day when there’s UV rays present because when vitamin C comes in contact with UV rays it loses its antioxidant abilities well that is absolutely true but it is it fact the reason why I apply my vitamin C in the mornings vitamin C is an antioxidant and UV rays among other things like pollution and stress and all that lead to the building of free radicals in the skin and if an antioxidant and the free radical meet the antioxidant neutralizes the free radical and gets used up in the process this is what we want the vitamin C to do so yes theoretically if you applied at night where they’re less free radicals because there is less UV rays then your vitamin C will still keep its antioxidant abilities longer and it’s not wrong to apply it in the night because your skin can store the antioxidant effect and you will still benefit from it in the next day but I want as many antioxidants as possible when there’s the peak of free radicals occurring in my skin.

So I want my antioxidants even if that means they don’t last that long in the daytime where there’s pollution and UV rays and all that I hope with these two things addressed we can all agree that the best time to use your vitamin C or any antioxidant actually is in the mornings again nothing wrong with using it at night but if you struggle to fit your actives into your routine put the antioxidants in your morning routine if you for some reason can’t and you want to pair your vitamin C with another active ingredient here is what you can and cannot combine it with combining a vitamin C with an acid is actually beneficial for both in terms of pH because both need a low pH it’s because they’re acidic and vitamin C in ascorbic acid because it reacts best or it’s a soap absorb best at a low pH like 3.5 so if you use your assets and your vitamin C the vitamin C will be absorbed better but as I said in the first video more effect is not always beneficial for your skin vitamin C due to the low pH can be irritating acids due to the exfoliating effect can be irritating if your skin is more on the sensitive side it may be too much to combine the two and you will get not maximized effect.

But maximize irritation and flaky irritated skin so yes you can combine them if your skin tolerates them it’s actually beneficial for the effects you get but I personally never combined them because I like to treat my skin as gentle as possible same goes for retinoids you can mix all of the over-the-counter retinoids with vitamin C without any issue yes vitamin C needs a lower pH and retinoids like the one that is more on the neutral side but I think when applied in a thin layer on your skin that really doesn’t make a difference ut again one is irritating the other is irritating combining these two can lead to more irritation so my advice would be build up your strength for retinoids first and then if you want to combine it with vitamin C but put the vitamin C in the mornings rather than the evenings if you can’t help it and your skin tolerates it well yes you can totally mix both of them but I just personally wouldn’t benzoyl peroxide is actually the one thing that you cannot combine with vitamin C not because there is a negative effect but because benzoyl peroxide works by oxidizing things.

Vitamin C is an antioxidant so if you mix an antioxidant and an oxidant they both cancel each other out and your skin is as if you would have let none of the products oh yeah not harmful but actually not really smart to combine benzoyl peroxide and any anti oxidant not only vitamin C hydroquinone both are brightening which could lead to the assumption that you get more potent effect you know still the gold standard when it comes to treating melasma and other forms of severe hyperpigmentation but it’s also very difficult to use so my personal advice is use hydroquinone only on its own and only as advised by your professional there are different strengths of hydroquinone some that you can get over the counter but they usually don’t do that much and then sounded a prescription.

Face-to-face consultation peptides and ceramides just to complete that because I get asked for them pretty frequently they are pretty inert you can mix them with anything so mix them with your ascorbic acid you’ll be you’ll be totally fine and then niacinamide I bet you the food that you cannot combine niacinamide and ascorbic acid because they react and form niacin and niacin which is actually used as medication so it’s not a harmful ingredient per se but niacin can lead to battle dilatation which is dilatation of the blood vessels and hot flush and irritation redness on your cheeks it is true that these two can react like that but to do so they need really high temperatures and a long amount of time so this is something that happens in the lab when you combine these two and expose them to extreme temperatures but this is not something that happens in your skincare not even if you leave your cream out in the Sun which you shouldn’t do for several reasons but not even then that’s a problem niacin amide and ascorbic acid safe to combine and niacin amide and all the other forms of vitamin C that are less reactive as ascorbic acid up perfectly fine to mix as well so for all the people that contacted me concerned because they came across a product that contains niacin amide and a vitamin C derivative in the formula this is perfectly safe you don’t have to worry about any adverse reaction I hope that answered all your questions that you had regarding vitamin C.


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