The Ordinary Products Conflicts – This page will tell you which products not to use in the same routine. Conflicts may be because they cancel a product out or due to possible irritation and we don’t want that, do we?
So before you excitedly open all your bottles and splash your potions on your face, make sure you read The Ordinary Conflicts Guide first!
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The Ordinary Conflicts Chart
* conflicts are regularly updated, so always check the official page.
You may find it easier to read conflicts chart PDF
The Ordinary Conflicts – Conflicting Products
Your quick, easy guide to The Ordinary Conflicts and the products you should not mix.
Apart from all the confusing names and how to layer The Ordinary, you also need to understand The Ordinary and NIOD conflicts, the products that can and cannot be used in the same routine – The Ordinary Conflicts.
Some products conflict because they could cancel one another out, and some shouldn´t be used together as they may cause irritation (marked*).
There will be a lot of conflicting information online. If you are new to skincare, I recommend following the advice from The Ordinary. Once you become more confident and knowledgeable, you can decide.
Patch-Testing
I would also suggest you patch-test each product before using it, or at least take it very slowly when you start layering/mixing products.
NIOD Conflicts & Targets Chart
For anyone interested in NIOD, here´s a NIOD Conflicts Chart for you
You can now find NIOD conflicts and cheat sheet here.
More Information about The Ordinary Product Conflicts.
The Ordinary Direct Vitamin C
When a product says it conflicts with Direct Vitamin C/ELAA/LAA, these include the following products;
The Ordinary Direct Acids | The Ordinary Products Conflicts
When a product conflicts with Direct Acids, this includes the following products;
- Glycolic Acid 7% Toning Solution
- AHA 30% + BHA 2% Peeling Solution
- Azelaic Acid Suspension 10%
- Salicylic Acid 2% Masque
- The Ordinary Salicylic Acid 2% Solution
- Lactic Acid 5% + HA & Lactic Acid 10% + HA
- Salicylic Acid 2% Anhydrous Solution
- Mandelic Acid 10% + HA
The Ordinary Conflicts & Products You Should Not Mix
On this site’s individual product review pages, you will find more information about conflicts in FAQs. If you know The Ordinary, you will know there can be contradicting information. You may find they recommend avoiding other products, too.
The Ordinary/Deciem is constantly updating its conflicts chart. One of the latest changes is to avoid Peptides with Resveratrol & Ferulic Acid, only use one antioxidant in a routine, and avoid Niacinamide with Vitamin C Derivatives and direct/pure form.
Some FAQs Regarding Product Conflicts
1. The Ordinary Vitamin C Derivatives Conflicts
Nov 2020: Deciem updated The Ordinary Conflicts, and there were quite a few changes. The main difference was Niacinamide and Vitamin C Derivatives. Since The Ordinary launched in 2016, you could use Vitamin C Derivatives with all products. There were routines with both of these products. Since November 2020, Deciem has said to avoid using them in the same routine. Since then, there have been a few posts on their own social media, and they are using both together again. When questioned about this, Deciem replied, “If you have used both with no irritation, you may continue to do so”.
2. The Ordinary Niacinamide & Vitamin C
The Ordinary Pure Vitamin C, Derivatives & Niacinamide – why should they not be used in the same routine
Nov 2020: Deciem updated The Ordinary Conflicts, and there were quite a few changes. The main difference was Niacinamide and Vitamin C Derivatives. Since The Ordinary launched in 2016, you could use Vitamin C Derivatives with all products. There were routines with both of these products. From November 2020, Deciem said to avoid using them in the same routine. Since then, there have been a few posts on their own social media using both together again. When questioned about this, Deciem replied, “If you have used both with no irritation, you may continue to do so”.
3. The Ordinary Peptides & Acids – The Ordinary Products Conflicts
Why should they not be used in the same routine?
Our rule against combining strong antioxidants only applies to our copper peptide products. We would not recommend combining direct acids with peptides due to the susceptibility of peptides to hydrolysis (which breaks the bonds between peptides, reducing their efficacy and making them into individual amino acids).
At low pH, the peptides undergo processes such as deamidation (the removal of an amide group) and oxidation, which compromise the activity of the peptides. Suppose you have previously combined peptides with acids and have not experienced any negative side effects or discolouration. In that case, you may continue to combine the two products so that the combination does not pose any potential harm. Our recommendations are meant to serve as a preventative measure to avoid incompatibility between those combinations because skin tolerance is subjective.
You can find lots more FAQs here. Q&A found on Social media.
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The Ordinary Products Conflicts
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