CERAMIDE AP

📋 Quick facts

Description: CERAMIDE AP — barrier repair lipid (ceramide).

All Functions: barrier repair lipid (ceramide)

Quick Facts:

• Category: emollient

Proven Benefits At A Glance:

• Ceramide AP is a naturally occurring lipid found in the outermost layer of skin (stratum corneum)
• It’s known to be important for the skin barrier, though research on individual ceramide types is still developing
• Ceramide AP has poor solubility and penetration on its own, which limits how well it works in skincare products
• Microemulsion formulations (tiny droplets of oil in water) have shown better release and penetration of ceramide AP compared to traditional creams in laboratory studies
• The exact way ceramide AP arranges itself in skin membranes is still being mapped by researchers

📊 Comedogenicity

🛡️ Safety rating

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🌍 Regulatory Status

💧 Skin Type Compatibility

Derived from this ingredient’s irritancy potential and comedogenicity rating against the needs of each skin type — e.g. oily and acne-prone skin are marked down for pore-clogging ingredients, sensitive skin for irritants. A starting heuristic, not a dermatological verdict.

⚠️ Don’t Combine With

📚 Research & Evidence

🔬 The Science

Ceramide AP belongs to a diverse family of ceramides—lipids with amphiphilic properties (meaning they have both water-loving and oil-loving parts)—that are mandatory for proper barrier function in the stratum corneum, the skin’s outermost layer (Chem Phys Lipids, 2017). #1: Research has confirmed that ceramide AP is capable of forming tough and super stable membrane structures, which may help restore barrier function in aged and affected skin (Eur J Pharm Biopharm, 2012). However, #2: its effectiveness from conventional skincare formulations is limited due to poor solubility and difficulty penetrating into the stratum corneum (Eur J Pharm Biopharm, 2012). To overcome this challenge, researchers have developed microemulsion delivery systems—formulations containing tiny oil droplets suspended in water—that significantly enhance both the release and penetration of ceramide AP compared to traditional hydrophilic creams (Eur J Pharm Biopharm, 2012).

At the molecular level, ceramide AP exists in different forms and can undergo structural transformations when mixed with other skin lipids like cholesterol and free fatty acids (J Mol Model, 2020). Neutron diffraction studies have revealed that ceramide AP arranges itself within lipid bilayer structures in organized patterns, with a short-periodicity phase showing a repeat distance of approximately 44 ångströms (Chem Phys Lipids, 2017). The behavior of ceramide AP-based membranes can be influenced by various solvents: while some compounds at low concentrations don’t significantly disrupt the membrane structure, higher concentrations can induce phase separation and affect how the lipid bilayers swell and organize (Chem Phys Lipids, 2019).

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

• Oliveira JS et al. (2017). The effect of non-deuterated and deuterated isopropyl myristate on the thermodynamical and structural behavior of a 2D Stratum Corneum model with Ceramide [AP]. Chem Phys Lipids.
• Badhe Y et al. (2020). Development and application of coarse-grained MARTINI model of skin lipid ceramide [AP]. J Mol Model.
• Sonnenberger S et al. (2017). Synthesis of specifically deuterated ceramide [AP]-C18 and its biophysical characterization using neutron diffraction. Chem Phys Lipids.
• Samoylova NY et al. (2019). Effect of DMSO, urea and ethanol on hydration of stratum corneum model membrane based on short-chain length ceramide [AP]. Chem Phys Lipids.
• Sahle FF et al. (2012). Polyglycerol fatty acid ester surfactant-based microemulsions for targeted delivery of ceramide AP into the stratum corneum: formulation, characterisation, in vitro release and penetration investigation. Eur J Pharm Biopharm.

🧴 Products Containing CERAMIDE AP

• CeraVe CeraVe AM Facial Moisturizing Lotion SPF 30
• RETINOL RETINOL SKIN CREAM
• up & up lotion
• Locion Corporal NANOS
• CeraVe CeraVe Daily Moisturizing Lotion
• e.l.f. Cosmetics Holy Hydration! Daily Cleanser
• Dr Teal’s Body Lotion
• Kate Somerville DeliKate Soothing Cleanser
• It Cosmetics Confidence In A Cream Anti-Aging Moisturizer
• CeraVe CeraVe Foaming Facial Cleanser
• Olaplex No. 8 Bond Intense Moisture Mask
• CeraVe Verbeterende Oogcrème
• L’Oréal,Cerave Foaming cleanser
• Cerave Gel Moussant Cerave
• Cerave CeraVe Hydraterende Reinigingscrème
• CeraVe CeraVe Schuimende Reinigingsgel
• CeraVe CeraVe Hydraterende Melk
• CeraVe CeraVe Hydraterende Reinigingscrème
• Cerave Cerave Moisturising Cream
• Sun Ozon Sunclean Sonnenmilch LSF 30
• CeraVe Hydrating cream-to-foam cleanser
• CeraVe CeraVe Hydraterende Schuimende Reinigingsolie
• cerave CeraVe SPF50 Hydraterende Gezichtscrème
• Cerave CeraVe Retinol Serum Tegen Post-Acne Vlekjes
• CeraVe Crème Mains Réparatrice
• Bioderma Atoderm
• CeraVe Acne Foaming Cream Cleanser
• Cerave
• CeraVe Moisturing Lotion
• CeraVe Moisturizing cream
• CeraVe Moisturizing Cream
• CeraVe Hydrating Facial Cleanser
• CeraVe CeraVe SA Cream for Rough & Bumpy Skin
• CeraVe CeraVe Eye Repair Cream
• Cerave Moisturizing Cream
• CeraVe SA Lotion For Rough & Bumpy Skin
• cerave daily moisturizing cream
• Cerave 3606000537750
• CeraVe Renewing SA Cream
• Cera Ve Moisturizing Cream