Ceramide FAQ

Straight answers to the most common questions about ceramides.

What are the three essential ceramides I see on labels?

The three you'll most often see on labels are Ceramide NP (also written as Ceramide 3), Ceramide AP (Ceramide 6-II), and Ceramide EOP. Together, they play crucial roles in maintaining the skin barrier, retaining moisture, and promoting skin elasticity.[1]

Are ceramides better than hyaluronic acid?

They serve different but complementary functions. Hyaluronic acid is a humectant that draws moisture into the skin, while ceramides are lipids that lock that moisture in by sealing the skin barrier. For optimal hydration, it's best to use both together.[1]

Can ceramides help with hair growth?

Ceramides do not directly stimulate new hair growth from the follicle. However, they create a healthier environment for hair to thrive by strengthening the existing hair shaft to prevent breakage and by improving scalp health. This leads to better hair retention, allowing hair to grow longer and appear fuller.[9][13]

Are ceramides suitable for all skin and hair types?

Yes. Because ceramides are a natural, "skin-identical" component of our bodies, they are generally well-tolerated by all skin types, including sensitive, oily, and acne-prone skin.[1] In hair care, they are beneficial for all hair types but are especially effective for hair that is dry, damaged, frizzy, or color-treated.[3][12]

How long does it take to see results?

For skin, you may notice immediate improvements in hydration and feel. More significant anti-aging benefits and barrier repair can take from 1 to 3 months of consistent daily use.[1] For hair, you can often feel a difference in softness and manageability after the first use, with cumulative strengthening effects over several weeks.[8]

Can I use ceramides with retinol, vitamin C, or exfoliating acids?

Yes — ceramides pair well with all three. Because they reinforce the skin barrier, they help buffer the dryness and irritation that retinol and AHA/BHA exfoliants can cause, and they sit happily alongside vitamin C and niacinamide. A simple approach is to apply your active first, then layer a ceramide moisturiser on top to lock in hydration and calm the skin.

Are ceramides safe to use during pregnancy?

Ceramides are generally considered pregnancy-friendly. They are lipids identical to those your skin already makes, act mainly at the surface with minimal absorption, and aren't on the usual "avoid during pregnancy" list the way retinoids or high-dose salicylic acid are. Data specific to pregnancy is limited, so it's always sensible to check the full ingredient list and speak to your doctor if you're unsure.

Should I apply ceramides in the morning or at night?

Both. Ceramides are barrier lipids rather than a light-sensitive active, so they're useful at any time of day. Use them in the morning under sunscreen to reinforce the barrier against daily stressors, and at night — as one of your last steps — to support the skin's natural overnight repair and seal in moisture.

References

  1. Meckfessel, M. H., & Brandt, S. (2014). The structure, function, and importance of ceramides in skin and their use as therapeutic agents in skin-care products. Journal of the American Academy of Dermatology, 71(1), 177-184.
  2. Coderch, L., López, O., de la Maza, A., & Parra, J. L. (2003). Ceramides and skin function. American Journal of Clinical Dermatology, 4(2), 107-129.
  3. Villa, A. L., et al. (2013). The role of ceramides in the hair follicle. International Journal of Cosmetic Science, 35(4), 323-331.
  4. Berardesca, E., et al. (2019). The importance of the ceramide-dominant barrier repair approach in atopic dermatitis. Journal of the European Academy of Dermatology and Venereology, 33(7), 1269-1275.
  5. Ishida, K., et al. (2011). Effects of a ceramide-containing shampoo and conditioner on the barrier function of the stratum corneum in hair. Skin Research and Technology, 17(3), 324-329.
  6. Lee, S. H., & An, S. (2020). The effect of ceramide-containing formulations on the damaged hair. Journal of the Society of Cosmetic Scientists of Korea, 46(1), 1-8.
  7. Blaak, J., & Draelos, Z. D. (2021). The science behind vegan and bio-fermented skincare ingredients. Cosmetics & Toiletries, 136(5).
  8. Loden, M., & Maibach, H. I. (Eds.). (2012). Dry skin and moisturizers: chemistry and function. CRC press.
  9. Turner, G. A., & Hoptroff, M. (2018). The role of the scalp in hair biology: The scalp barrier and its role in mediating scalp health and hair condition. International Journal of Trichology, 10(6), 255.
  10. CeraVe Brand Communications. (n.d.). The Role of Ceramides in Hair & Scalp Health. Retrieved from CeraVe official website.
  11. Guenin, E., et al. (2015). A new ceramide-like molecule for hair care. International Journal of Cosmetic Science, 37(S2), 10-16.
  12. MONPURE London. (n.d.). The Science of Ceramide NG in Haircare. Retrieved from MONPURE official website.
  13. Trüeb, R. M. (2016). The impact of oxidative stress on hair. International Journal of Cosmetic Science, 38(S1), 25-30.