The Ordinary Vitamin C Guide

There are 8 The Ordinary Vitamin C products and they all vary in solutions and strengths. There are water-based, oil, suspension, emulsion, and also a powder form.  5 are a pure form of Vitamin C and have conflicts. 3 of them are derivatives have no conflicts although shouldn´t be mixed with the Niacinamide powder. If you are new to skincare and want to keep your routine simple, go for one of the derivatives to start.

Here’s a quick beginner´s guide to The Ordinary Vitamin Cs to help you.

The Ordinary Easy Vitamin C Guide

PURE VITAMIN C (conflicts)

VITAMIN C DERIVATIVES (no conflicts although should not be mixed with Niacinamide Powder)

How do you choose which one is best for you?   Deciem have a very detailed page here all about the different Vitamin C s and you can also join The Facebook Group and ask any questions you may have.

Other Deciem Vitamin Cs

Apart from The Ordinary Vitamin C products, there´s also Hylamide C25 and NIOD Ethylated L-Ascorbic Acid 30%

All The Ordinary Vitamin Cs & reviews by the Deciem Addicts

Vitamin C 23% Reviews

64% of the Deciem Addicts on Instagram love The Ordinary Vitamin C 23%
  • Brightens skin
  • Fades dark spots
  • When & How: Ideally PM, after water solutions
  • Conflicts: Niacinamide, Peptides & EUK 134 (antioxidant). Whilst they are not listed as conflicts, Deciem recommend avoiding Retinol, Vitamin C and Acids in the same routine.
  • Solution: Suspension

The Ordinary Vitamin C 30%

Vitamin C 30%
52% of the Deciem Addicts love this product
  • Signs of ageing
  • Uneven tone
  • Brightens skin (smoother version of the 23% above)
  • When & How: Ideally PM, after water solutions
  • Conflicts: Niacinamide, Peptides & EUK 134 (antioxidant). Whilst they are not listed as conflicts, Deciem recommend avoiding Retinol, Vitamin C and Acids in the same routine.
  • Solution: Suspension

The Ordinary L-Ascorbic Acid Powder

L-Ascorbic Acid Powder
72% of the Deciem Addicts love the 100% L-Ascorbic Acid Powder
  • Uneven Tone
  • Signs of Age
  • When & How: Ideally PM. Mix with other treatments
  • Conflicts: Niacinamide, EUK 134, Peptides, Direct Acids. Whilst they are not listed as conflicts, Deciem recommend avoiding Retinol, Vitamin C and Acids in the same routine.

Ethylated Ascorbic Acid 15% Solution

Ethylated Ascorbic Acid Reviews
55% of Deciem Addicts love the Ethylated Ascorbic Acid.
  • Uneven Tone
  • Signs of Age
  • Antioxidant Support
  • When & How: AM &/or PM after water solutions
  • Conflicts: Niacinamide, EUK & Peptides. Whilst they are not listed as conflicts, Deciem recommend avoiding Retinol, Vitamin C and Acids in the same routine.
  • Solution: Anhydrous

Ascorbic Acid + Alpha Arbutin

Ascorbic Acid + Alpha Arbutin Reviews
79% of the Deciem Addicts love The Ordinary Ascorbic Acid & Alpha Arbutin.
  • Hyper-pigmentation
  • Dark Spots
  • Uneven Tone
  • Signs of Age 
  • Antioxidant Support
  • When & How: AM & PM after water solutions
  • Conflicts: Niacinamide, EUK & Peptides. Whilst they are not listed as conflicts, Deciem do recommend avoiding Retinol, Vitamin C and Acids in the same routine.
  • Solution: Anhydrous

Ascorbyl Glucoside

Ascorbyl Glucoside Reviews
59% of the Deciem Addicts love The Ordinary Ascorbyl Glucoside
  • Brightens Skin
  • Evens tone
  • Signs of ageing
  • When & How: AM &/or PM one of the first layers before creams/oils.
  • Solution: Water
  • Conflicts: None except do not mix with The Ordinary Niacinamide Powder

Magnesium Ascorbyl Phosphate

Magnesium Ascorbyl Phosphate Reviews
61% of the Deciem Addicts love Magnesium Ascobyl Phosphate
  • Brightens skin
  • Evens tone
  • Signs of ageing
  • When & How: AM & PM after water solutions
  • Solution: Emulsion
  • Conflicts: None except do not mix with The Ordinary Niacinamide Powder

Ascorbyl Tetraisopalmitate

Ascorbyl Tetraisopalmitate Reviews
58% of the Deciem Addicts love The Ordinary Tetraisopaamitate.

The Ordinary Skincare Routines

If you’re still confused, don’t forget you can ask Deciem for a routine. Just go to their website and wait for the chat box. There is a bit of a wait at the moment, in the meantime, have a look at some of these routines and regimens.