In soap-making, sumac can be used as an alternative to other astringent ingredients, such as witch hazel or tea tree oil. Sumac is often used in natural, handmade soaps because it is a gentle, plant-based ingredient that can help to cleanse and tone the skin without causing irritation or dryness.
Oatmeal is a gentle and effective ingredient in soap, with a range of skincare benefits. It is suitable for all skin types and is a great choice for those with sensitive or irritated skin