Application of silicone oil in daily chemical and personal care fields
Silicone oil plays an important role in daily chemical and personal care products due to its excellent lubricity, spreadability, breathability, and chemical stability. The following will explain the product type, mechanism of action, and typical application cases:


1、 Product types and application scenarios
Skincare products
Lotion and face cream: silicone oil (such as polydimethylsiloxane) forms a breathable protective film to enhance the moisturizing effect and give the product a silky touch.
Sunscreen: Improve the dispersibility of sunscreen, enhance waterproof performance, and reduce greasiness.
Essence liquid: as a solvent carrier, it can promote the penetration of active ingredients and enhance skin feeling.
Makeup products
Foundation make-up and BB cream: improve the extensibility, make the makeup more natural, and avoid powder jamming.
Eye black: increase fiber adhesion and create a dense curling effect.
Lipstick: Improve gloss and prevent dryness and peeling.
Hair Care
Shampoo and conditioner: Clean the scalp while reducing friction between hair scales and repairing damaged hair.
Hair mask and essential oils: deeply nourish, repair split ends, and give hair a soft and glossy texture.
Shaped products: such as hair gel and wax, provide flexible shaping effects and avoid stiffness.
BODY CARE
Bath gel: improve the stability of foam, and make the skin not tense after washing.
Body lotion: forms a water locking film to relieve dryness and itching.
Antiperspirant: As a volatile carrier, it enhances dryness.
Oral care
Toothpaste: As a wetting agent, it can improve the density of foam and reduce irritation.
Mouthwash: improves taste and prolongs freshness.


2、 Mechanism of action
Lubrication and smoothness
Silicone oil molecular chains form a uniform thin film on the surface of the skin or hair, reducing the friction coefficient and giving the product a silky touch.
Breathable and Moisturizing
Silicone oil film allows moisture to evaporate while reducing water loss and maintaining skin's water oil balance.
Expansion enhancement
Silicone oil can reduce surface tension, promote uniform distribution of active ingredients, and enhance product usability.
Waterproof and sweat proof
The hydrophobic properties of silicone oil enhance the water resistance of the product, prolong the makeup effect or protection time.


3、 Typical application cases
Product Type Silicone Oil Type Function Brand Example
Skin care cream Polydimethylsiloxane moisturizing, smoothing, moisturizing and nourishing cream
Sunscreen, cyclic silicone oil (such as D5), waterproof and dispersing sunscreen agent, AnReSha small gold tube sunscreen gel
Liquid foundation Phenyl silicone oil brightens skin color and enhances makeup durability COVER FX Long lasting misty liquid foundation
Shampoo Amino Silicone Oil Repair Hair Scales, Smooth Hair, Pantene Three Minute Miracle Hair Conditioner
Eye black Polyether modified silicone fiber adhesion, thick curl Lankou swan neck eye black


4、 Security and Controversy
safety
Silicone oil is widely used in cosmetics and has been certified as a safe ingredient by authoritative organizations such as the FDA and the EU Cosmetics Directive. However, it should be noted that:
Low molecular weight silicone oils (such as D4, D5) may cause bioaccumulation in the environment, and the European Union has restricted their use.
High concentration silicone oil may affect the absorption of subsequent products, and it is recommended to choose according to skin type.
issue
Pore blockage: Silicone oil has a high molecular weight and is difficult to penetrate pores, so it will not clog under normal dosage.
Acne risk: Avoid excessive use for oily skin, it is recommended to choose oil-free formula.


5、 Future Trends
Green and environmentally friendly
Develop biodegradable silicone oil alternatives to reduce environmental impact.
Multi functional composite
Combining natural oils or biobased materials to enhance product mildness and efficacy.
Precise skincare
Utilizing nano silicone oil technology to achieve targeted delivery of active ingredients.
Summary: Silicone oil has become a core component in the fields of daily chemical and personal care by improving product texture, enhancing efficacy, and improving user experience. In the future, with technological advancements and environmental demands, the application of silicone oil will be safer, more efficient, and sustainable.