Formulation and Evaluation of Moroccan Nila–Olive Oil Herbal Face Pack for Skin Brightening and Antioxidant Activity

Herbal face packs are topical cosmetic formulations composed mainly of plant‑derived ingredients that aim to cleanse, nourish, and protect facial skin while providing additional benefits such as skin brightening and antioxidant activity. Moroccan Nila powder (blue indigo mineral clay) has recently gained popularity in traditional and social‑media–driven beauty practices for its claimed complexion‑brightening, soothing, and detoxifying effects, although robust clinical evidence remains limited. Extra‑virgin olive oil is a widely used natural lipid rich in phenolic antioxidants, squalene, and vitamin E, which supports barrier repair, moisturization, and protection against oxidative stress when used appropriately in topical preparations. This review paper compiles and interprets available literature on herbal face packs, Moroccan Nila powder, and plant‑based antioxidants to propose a rational formulation concept for a Moroccan Nila–olive oil herbal face pack intended for skin brightening and antioxidant activity. Key aspects discussed include the traditional background of Moroccan Nila, its proposed mechanisms of action, the role of olive oil and co‑herbal ingredients, formulation strategy, evaluation parameters such as physicochemical properties and in vitro antioxidant assays, and safety considerations including issues about irritation and inconsistent quality of raw Nila. The review suggests that, with careful ingredient selection and standardization, a Moroccan Nila–olive oil face pack could serve as a promising natural cosmetic product; however, controlled in vivo studies are required to substantiate claims of long‑term skin brightening and to fully establish safety.