Plasticisers
Plasticisers are ingredients used in cosmetics to make formulas more flexible, smooth and easy to apply. They help prevent products like nail polishes, mascaras and lipsticks from cracking, flaking or becoming brittle. In skincare and haircare they can also improve spreadability and leave a soft, supple finish.
How it works in skincare
In cosmetics and skincare, plasticisers work by interfering with the tight bonding between polymer chains or film-forming agents, increasing flexibility and reducing brittleness. This allows mascaras, eyeliners and nail enamels to form a durable yet pliable film that moves with skin or nails without cracking. In creams, balms and hair styling products they enhance spreadability, soften texture and help create a smooth, comfortable feel on skin and hair without stiffness.
Key benefits
- Improves flexibility of nail polish and mascaras
- Prevents cracking and flaking of makeup films
- Enhances smooth, even application
- Creates a soft, supple finish on skin and hair
- Improves spreadability of creams and balms
- Helps maintain product integrity during wear
Best for
all skin types, dry skin, mature skin
Where it comes from
Plasticisers used in UK beauty products are typically synthetic compounds derived from petroleum or plant-based oils. Common examples include phthalate esters or citrate esters which can be produced from citric acid sourced from citrus fruits.