| INCI Name | Effects On | Natural Source | |
| Face Care | Hair Care | ||
| Allantoin | Soothing, Healing, Moisturizing, Skin Smoothing. | Scalp Comfort, Moisture Balance, Healing Support, Strengthening. | It is also produced synthetically from urea and glyoxylic acid. Key natural sources include comfrey, horse chestnut, and bearberry. While commercially produced allantoin is often synthesized, it is chemically equivalent to the naturally derived form. |
