## Common ground
All are eye therapy masks, used for soothing, relaxing, or caring for the eyes and surrounding skin.
## Options at a glance
**1404.90 – Aroma therapy**
- **Defining trait:** Contains dried vegetable materials that release scent when warmed or used.
- **Typical examples:** Scented corn seed pouches, herbal sachets in fabric covers.
- **Best fit when:** The primary purpose is aromatherapy via smell, not skin care or physical comfort.
**3304.99 – Skin care formulation**
- **Defining trait:** Contains active skincare ingredients (oils, ceramides, essential oils) applied directly to the skin.
- **Typical examples:** Gel masks with avocado oil, rose oil, and ceramide 3 for hydration or soothing.
- **Best fit when:** The mask delivers topical skincare benefits through its formulation.
**6307.90 – Textile relaxation aid**
- **Defining trait:** Made of fabric with thermal properties (microwaveable/freezable) for physical comfort.
- **Typical examples:** Cloth masks with removable heat/cool packs, used for tension relief.
- **Best fit when:** The main function is physical warmth or cooling to relax the eyes and face.
## Key differences
| Feature | 1404.90 (Aroma) | 3304.99 (Skin care) | 6307.90 (Textile) |
|---------------------|------------------------|--------------------------|----------------------------|
| Primary function | Scent release | Skin hydration/repair | Thermal comfort |
| Material type | Dried plant matter | Gel with active ingredients | Fabric with heat pack |
| Application | Passive aroma exposure | Direct skin contact | Physical placement + temp |
## How to choose
- Does it release scent from dried plants? → 1404.90
- Does it contain oils, ceramides, or essential oils for skin care? → 3304.99
- Can it be heated or cooled for physical relief? → 6307.90
## Overlaps & pitfalls
A mask may combine traits (e.g., a gel mask with scent and heat). If so, prioritize the **main function**: aroma (1404.90), skincare (3304.99), or thermal effect (6307.90). No option is clearly dominant—choose based on the product’s primary purpose