Insoluble organic screening agents tend to aggregate or undergo phase separation in aqueous formulations. Preventing these physical instabilities ensures consistent photoprotection and uniform skin application.

Chemical degradation of active ingredients upon exposure to solar radiation. Preventing this loss of efficacy ensures prolonged dermal protection and product safety.

Skin tissue undergoes structural degradation and accelerated aging when exposed to solar radiation. Preventing this biological failure maintains dermatological integrity and prevents long-term cellular pathology.