Can you use ferulic acid with squalane?
Reasoning: why this verdict
There is no known conflict between ferulic acid and squalane. Both are generally well tolerated.
Who should be careful: People with very sensitive skin, rosacea or eczema should patch test new products first.
How to use ferulic acid and squalane together
- Layer from thinnest to thickest texture.
- Finish with moisturizer, and sunscreen in the morning.
About the ingredients
Ferulic Acid
A plant antioxidant best known for stabilizing vitamins C and E in serum formulas.
Squalane
A lightweight, stable emollient oil that softens skin. An expert cosmetic safety panel reaffirmed in 2023 that it is safe as used.
Related combinations
How Ferulic Acid and squalane each mix with other common actives.
FAQ
Do I need sunscreen with ferulic acid and squalane?
Yes. Daily broad-spectrum SPF 30+ is recommended with any active skincare routine.
Is this answer based on a study of ferulic acid and squalane together?
Evidence strength: Limited. Based on ingredient-level evidence and a conservative general rule for this ingredient class. Direct research on this pair is limited.
Which goes on first, ferulic acid or squalane?
Ferulic Acid first, then squalane. In general, apply thinner, watery textures before thicker creams.
Sources
Studies and reviews on these ingredients and, where available, on this specific combination. Numbers match the citation chips above.
- Lin FH, et al. Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. J Invest Dermatol. 2005;125(4):826-832.
- Zduńska K, et al. Antioxidant properties of ferulic acid and its possible application. Skin Pharmacol Physiol. 2018;31(6):332-336.
- Fiume M, et al. Squalane and squalene. Int J Toxicol. 2023;42(3 Suppl):107S-109S.
- Huang ZR, Lin YK, Fang JY. Biological and pharmacological activities of squalene and related compounds: potential uses in cosmetic dermatology. Molecules. 2009;14(1):540-554.