| Grade standard | Cosmetic and Medicinal |
|---|---|
| Botanical Name | Oenothera biennis |
| Parts used | seeds |
| Description | clear transparent liquid, free from sediments |
| Appearance | Clear light yellow or yellow liquid |
| Organoleptic properties | pleasant odour |
| Application | Skin conditions like eczema and dermatitis |
| Storage | Store in a cool dry place away from light in amber coloured glass bottle. |