Calendula hydrosol, also known as calendula flower water, is a byproduct of the steam distillation process used to extract essential oil from calendula flowers. It is a gentle, natural product that has been used for centuries for various medicinal and cosmetic purposes. Some of the benefits of calendula hydrosol include:

1. Soothes and calms the skin: Calendula hydrosol has anti-inflammatory and antibacterial properties that can help soothe and calm irritated or inflamed skin. It is especially useful for sensitive or allergy-prone skin.
2. Hydrates and moisturizes: hydrosol is a gentle, non-greasy moisturizer that can be used to hydrate and nourish the skin. It is particularly beneficial for dry or mature skin types.
3. Helps heal wounds and skin infections: hydrosol has antiseptic and antimicrobial properties that can help speed up the healing of wounds and prevent infections. It is also useful for treating acne, eczema, and other skin conditions.
4. Reduces redness and swelling: hydrosol has a cooling and soothing effect on the skin, which can help reduce redness and swelling caused by inflammation.
5. Promotes hair growth: hydrosol can be used as a scalp toner to stimulate hair growth and prevent hair loss. It can also be used as a hair rinse to add shine and softness to the hair.

Overall, hydrosol is a gentle and versatile natural product that can benefit a wide range of skin and hair types. It can be used as a facial toner, body mist, hair rinse, or added to bathwater for a soothing and relaxing experience.