Adamantanylcarboxamido Trifluoromethylbenzonitrile: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 23, 2025
Share:
Inside this article:

All information on this page is verified using The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Adamantanylcarboxamido Trifluoromethylbenzonitrile?

Adamantanylcarboxamido Trifluoromethylbenzonitrile is a lab made ingredient that belongs to a family of materials called copolymers. In simple terms this means it is built from several smaller building blocks that link together to form a larger network. The backbone of the molecule comes from lauryl methacrylate and tridecyl methacrylate mixed with acrylic or methacrylic acid units. Chemists add an adamantane group for strength and a trifluoromethyl group for stability and water resistance. These tweaks give the finished material a strong flexible film once it dries on the skin or hair.

The first versions of this type of polymer showed up in color cosmetics during the early 2000s when brands wanted longer lasting makeup without a heavy feel. Since then formulators have refined the recipe so it can be produced in large batches. Manufacturing starts with a controlled reaction where the monomers are blended in a solvent then triggered to join together under heat. After the reaction is complete the mixture is purified dried and ground into a fine powder that is easy to disperse in creams or liquids.

You will most often see Adamantanylcarboxamido Trifluoromethylbenzonitrile in products that need a lightweight but durable film such as long wear foundations, matte or satin lipsticks, waterproof eyeliners, brow gels, setting sprays and peel off masks. It can also appear in some anti aging serums and moisturizers where a smooth protective layer is desired.

Adamantanylcarboxamido Trifluoromethylbenzonitrile’s Cosmetic Benefits/Uses

In cosmetic formulas this ingredient focuses on one main job which brings several practical benefits.

Film forming: Once the product is applied and the solvent evaporates the polymer creates a thin flexible shield over skin or hair. This film helps makeup stay put through sweat and humidity, reduces smudging and transfer, locks in active ingredients so they work longer and provides a smooth even finish that can blur minor texture.

Who Can Use Adamantanylcarboxamido Trifluoromethylbenzonitrile

This film former suits most skin types including oily, combination and normal skin because it sets into a weightless layer that does not feel greasy. Very dry or highly sensitive skin may notice a slight feeling of tightness once the film sets, so pairing the product with a richer moisturizer can help.

The ingredient is produced entirely in a lab and contains no animal sourced matter so it is generally considered suitable for vegans and vegetarians. Cruelty status depends on each brand’s testing policies so it is worth checking the finished product.

Current safety data shows no specific risk for people who are pregnant or breastfeeding. The polymer is large and sits on the surface rather than passing into the bloodstream. Still, this is not medical advice and anyone who is pregnant or nursing should run all skincare choices past a qualified doctor to be safe.

Adamantanylcarboxamido Trifluoromethylbenzonitrile is not known to make skin more sensitive to sunlight, and it does not interfere with sunscreen filters. Regular daily sun protection is always wise but this ingredient does not add any extra need for it.

Potential Side Effects/Adverse Reactions

Reactions to topical Adamantanylcarboxamido Trifluoromethylbenzonitrile differ from person to person. The points below outline potential side effects but most people will not experience them when the ingredient is used correctly in a well formulated product.

  • Mild redness or stinging
  • Feeling of tightness or dryness on very dry skin
  • Flaking or peeling when the film is removed in peel off formats
  • Rare allergic contact dermatitis marked by itching or hives
  • Possible pore congestion if very thick layers are applied to acne-prone skin

If any of these effects occur stop using the product and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 1 (very low)

Adamantanylcarboxamido Trifluoromethylbenzonitrile is a large synthetic polymer that sits on the skin’s surface instead of sinking into pores. It is not oily or fatty and does not provide a food source for acne-causing bacteria, so the likelihood of clogged pores is minimal. Its rating sits slightly above zero only because any film former can trap existing sebum and debris if applied in overly thick layers or left on for extended periods without proper cleansing.

Overall it is considered suitable for people prone to acne and breakouts as long as the rest of the formula is lightweight and skin is cleansed thoroughly at the end of the day.

One extra note: if you already use heavy occlusives or multiple long-wear products, layering too many films could increase congestion even with a low-comedogenic ingredient like this, so pay attention to how your skin responds.

Summary

Adamantanylcarboxamido Trifluoromethylbenzonitrile is a lab engineered film former that delivers long wear durability, water resistance and a smooth finish in makeup and skincare. It builds an invisible flexible shield once the product dries, helping color stay put and active ingredients remain on the skin longer without adding weight or greasiness.

The ingredient is still a specialty polymer rather than a mainstream staple, so you will mainly spot it in performance driven cosmetics like waterproof liners, long wear foundations and peel-off masks rather than basic lotions.

Current research and user reports show it is generally safe, non irritating and unlikely to clog pores when used in balanced formulas. As with any new cosmetic ingredient it is smart to perform a small patch test first to check personal tolerance before full application.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search