CELLULOSE (compounding aid)

**Cellulose** is a naturally derived **plant-based polymer**—the structural backbone of plant cell walls—that plays a **supportive but powerful role** in cosmetics. It’s used in various forms (like **microcrystalline cellulose**, **cellulose gum**, or **bacterial cellulose**) to enhance **texture, stability, and skin feel**.

### 🌿 **Key Functions in Cosmetics**:
– **Thickener & Stabilizer**: Adds **creaminess and viscosity** to lotions, creams, and gels.
– **Film Former**: Creates a **lightweight barrier** on the skin or hair, improving **hydration and product longevity**.
– **Absorbent**: Soaks up **excess oil or moisture**, useful in **mattifying powders and masks**.
– **Slip Agent**: Enhances **spreadability and smoothness**, especially in **makeup and sunscreens**.
– **Humectant (in some forms)**: Helps **retain moisture**, supporting skin hydration.

### 🧴 **Where You’ll Find It**:
– **Moisturizers & serums**
– **Face masks & cleansing wipes**
– **Foundations & pressed powders**
– **Shampoos & hair styling products**

### 🛡️ **Safety & Sustainability**:
– **Biodegradable and vegan-friendly**, often sourced from **wood pulp or cotton**.
– **Non-irritating and non-sensitizing**, even for sensitive skin.
– Used at **low to moderate concentrations**, depending on the form and function.