Can I use these two together?

Piel's routine check knows five rules between ingredient families. Choose two ingredients to see whether one applies, or browse every pair below. A pair not listed here is one the rules say nothing about, which is not the same as a clearance.

The five rules

• Can I use exfoliating acids and retinoids together? · Avoid together
• Can I use retinoids and L-ascorbic acid together? · Caution
• Can I use benzoyl peroxide and retinoids that benzoyl peroxide breaks down together? · Caution
• Can I use benzoyl peroxide and L-ascorbic acid together? · Caution
• Can I use two exfoliating acids together? · Caution

Every ingredient pair

• Can I use Ascorbic Acid and Benzoyl Peroxide together? · Caution
• Can I use Ascorbic Acid and Ethyl Lactyl Retinoate together? · Caution
• Can I use Ascorbic Acid and Hydroxypinacolone Retinoate together? · Caution
• Can I use Ascorbic Acid and Retinal together? · Caution
• Can I use Ascorbic Acid and Retinol together? · Caution
• Can I use Ascorbic Acid and Retinyl Acetate together? · Caution
• Can I use Ascorbic Acid and Retinyl Linoleate together? · Caution
• Can I use Ascorbic Acid and Retinyl Palmitate together? · Caution
• Can I use Ascorbic Acid and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Ascorbic Acid and Retinyl Propionate together? · Caution
• Can I use Ascorbic Acid and Retinyl Retinoate together? · Caution
• Can I use Benzoyl Peroxide and Ethyl Lactyl Retinoate together? · Caution
• Can I use Benzoyl Peroxide and Hydroxypinacolone Retinoate together? · Caution
• Can I use Benzoyl Peroxide and Retinal together? · Caution
• Can I use Benzoyl Peroxide and Retinol together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Acetate together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Linoleate together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Palmitate together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Propionate together? · Caution
• Can I use Benzoyl Peroxide and Retinyl Retinoate together? · Caution
• Can I use Betaine Salicylate and Capryloyl Salicylic Acid together? · Caution
• Can I use Betaine Salicylate and Ethyl Lactyl Retinoate together? · Avoid together
• Can I use Betaine Salicylate and Glycolic Acid together? · Caution
• Can I use Betaine Salicylate and Hydroxypinacolone Retinoate together? · Avoid together
• Can I use Betaine Salicylate and Lactic Acid together? · Caution
• Can I use Betaine Salicylate and Mandelic Acid together? · Caution
• Can I use Betaine Salicylate and Retinal together? · Avoid together
• Can I use Betaine Salicylate and Retinol together? · Avoid together
• Can I use Betaine Salicylate and Retinyl Acetate together? · Caution
• Can I use Betaine Salicylate and Retinyl Linoleate together? · Caution
• Can I use Betaine Salicylate and Retinyl Palmitate together? · Caution
• Can I use Betaine Salicylate and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Betaine Salicylate and Retinyl Propionate together? · Avoid together
• Can I use Betaine Salicylate and Retinyl Retinoate together? · Avoid together
• Can I use Betaine Salicylate and Salicylic Acid together? · Caution
• Can I use Capryloyl Salicylic Acid and Ethyl Lactyl Retinoate together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Glycolic Acid together? · Caution
• Can I use Capryloyl Salicylic Acid and Hydroxypinacolone Retinoate together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Lactic Acid together? · Caution
• Can I use Capryloyl Salicylic Acid and Mandelic Acid together? · Caution
• Can I use Capryloyl Salicylic Acid and Retinal together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Retinol together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Retinyl Acetate together? · Caution
• Can I use Capryloyl Salicylic Acid and Retinyl Linoleate together? · Caution
• Can I use Capryloyl Salicylic Acid and Retinyl Palmitate together? · Caution
• Can I use Capryloyl Salicylic Acid and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Capryloyl Salicylic Acid and Retinyl Propionate together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Retinyl Retinoate together? · Avoid together
• Can I use Capryloyl Salicylic Acid and Salicylic Acid together? · Caution
• Can I use Ethyl Lactyl Retinoate and Glycolic Acid together? · Avoid together
• Can I use Ethyl Lactyl Retinoate and Lactic Acid together? · Avoid together
• Can I use Ethyl Lactyl Retinoate and Mandelic Acid together? · Avoid together
• Can I use Ethyl Lactyl Retinoate and Salicylic Acid together? · Avoid together
• Can I use Glycolic Acid and Hydroxypinacolone Retinoate together? · Avoid together
• Can I use Glycolic Acid and Lactic Acid together? · Caution
• Can I use Glycolic Acid and Mandelic Acid together? · Caution
• Can I use Glycolic Acid and Retinal together? · Avoid together
• Can I use Glycolic Acid and Retinol together? · Avoid together
• Can I use Glycolic Acid and Retinyl Acetate together? · Caution
• Can I use Glycolic Acid and Retinyl Linoleate together? · Caution
• Can I use Glycolic Acid and Retinyl Palmitate together? · Caution
• Can I use Glycolic Acid and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Glycolic Acid and Retinyl Propionate together? · Avoid together
• Can I use Glycolic Acid and Retinyl Retinoate together? · Avoid together
• Can I use Glycolic Acid and Salicylic Acid together? · Caution
• Can I use Hydroxypinacolone Retinoate and Lactic Acid together? · Avoid together
• Can I use Hydroxypinacolone Retinoate and Mandelic Acid together? · Avoid together
• Can I use Hydroxypinacolone Retinoate and Salicylic Acid together? · Avoid together
• Can I use Lactic Acid and Mandelic Acid together? · Caution
• Can I use Lactic Acid and Retinal together? · Avoid together
• Can I use Lactic Acid and Retinol together? · Avoid together
• Can I use Lactic Acid and Retinyl Acetate together? · Caution
• Can I use Lactic Acid and Retinyl Linoleate together? · Caution
• Can I use Lactic Acid and Retinyl Palmitate together? · Caution
• Can I use Lactic Acid and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Lactic Acid and Retinyl Propionate together? · Avoid together
• Can I use Lactic Acid and Retinyl Retinoate together? · Avoid together
• Can I use Lactic Acid and Salicylic Acid together? · Caution
• Can I use Mandelic Acid and Retinal together? · Avoid together
• Can I use Mandelic Acid and Retinol together? · Avoid together
• Can I use Mandelic Acid and Retinyl Acetate together? · Caution
• Can I use Mandelic Acid and Retinyl Linoleate together? · Caution
• Can I use Mandelic Acid and Retinyl Palmitate together? · Caution
• Can I use Mandelic Acid and Retinyl Palmitate/Carrot Polypeptide together? · Caution
• Can I use Mandelic Acid and Retinyl Propionate together? · Avoid together
• Can I use Mandelic Acid and Retinyl Retinoate together? · Avoid together
• Can I use Mandelic Acid and Salicylic Acid together? · Caution
• Can I use Retinal and Salicylic Acid together? · Avoid together
• Can I use Retinol and Salicylic Acid together? · Avoid together
• Can I use Retinyl Acetate and Salicylic Acid together? · Caution
• Can I use Retinyl Linoleate and Salicylic Acid together? · Caution
• Can I use Retinyl Palmitate and Salicylic Acid together? · Caution
• Can I use Retinyl Palmitate/Carrot Polypeptide and Salicylic Acid together? · Caution
• Can I use Retinyl Propionate and Salicylic Acid together? · Avoid together
• Can I use Retinyl Retinoate and Salicylic Acid together? · Avoid together