There are 9 acids in The Ordinary Collection, and below, you can find reviews and lots more information on each of them to help you choose which one is best for you.
I highly recommend that you do not buy too many acids as they have many conflicts and can really damage the skin if misused. Please always check conflicts and products you can and cannot use together here.
- AHA 30%
- Alpha Lipoic
- Azelaic Acid
- Glycolic Acid Toner
- Lactic Acid 5%
- Lactic Acid 10%
- Salicylic Acid
- Mandelic Acid
- Salicylic Acid Masque
Products You Can & Cannot Use With The Ordinary Acids
You can find all The Ordinary acid conflicts here. Always read the Deciem website’s instructions before using any products because information is regularly updated. ,
The following products should not be used in the same routine, but you can use one in the morning and the acids in the evening.
- Other direct acids
- EUK 134 (antioxidant)
- Peptides – Buffet, Buffet + Copper Peptides, Matrixyl, Argireline.
- Pure Vitamin C
Patch Testing
Please refer to the official patch testing guide on The Ordinary website.
Can The Ordinary acids be used around the eyes?
Avoid the eye area when using The Ordinary acids. It is important to patch test these products, particular AHA 30% and Salicylic Acid.
The Ordinary Acids
The Ordinary AHA 30% Peeling Solution
- Targets
- Dullness
- Textural Irregularities
- Use once or twice a week
The Ordinary Alpha Lipoic Acid
- Antioxidant Support
- Dullness
- Signs of Ageing
- Use 2 or 3 drops over the entire face only 2/3 times a week on dry cleansed skin. Finish with oil if needed.
- Patch testing is highly recommended
- Avoid the eye area.
The Ordinary Azelaic Acid Suspension
- Brightens
- Evens skin tone
- Textural Irregularities
- Antioxidant Support
- When & How: PM after water solutions
- Patch testing is highly recommended
- Avoid the eye area.
The Ordinary Glycolic Acid
- Brightens skin
- Radiant Even Tone
- Use in the evening after cleansed skin and before serums.
- Patch testing is highly recommended
- Avoid the eye area.
Lactic Acid 5% + HA
- Fine lines
- Textural Irregularities
- Evens Tone
- Apply directly on dry, cleansed skin followed by creams/oils and preferably in the evenings only.
- Patch testing is highly recommended
- Avoid the eye area.
Lactic Acid 10% + HA
- Fine lines
- Texture Irregularities
- Evens Tone
- Apply directly on dry, cleansed skin followed by creams/oils and preferably in the evenings only.
- Patch testing is highly recommended
- Avoid the eye area.
Mandelic Acid 10% + HA
- Dullness
- Uneven Tone
- Textural Irregularities
- When & How: use preferably in the evening before creams/oils.
- Patch testing is highly recommended
- Avoid the eye area.
Salicylic Acid 2% Solution – this product is unavailable the moment.
- Fights acne
- Evens Skintone
- Spot treatment or Entire Face
- Use in the morning or evening after cleansing
- Patch testing is highly recommended
- Avoid the eye area.
The Ordinary Salicylic Acid Masque
- Lacklustre Tone
- Textural Irregularities
- Patch testing is highly recommended
- Avoid the eye area.
