Disclosed are skincare formulations, delivery systems and treatment methods containing an oligopeptide and a combination of antioxidants for topical application to the skin before and/or after dermatological procedures that affect the skin's barrier. The systems herein alleviate discomfort and enable rapid healing of irritated and damaged skin, and provide improved treatment outcomes for dermatological procedures. The disclosed topical formulations, delivery systems, and methods thereof provide enhanced penetration of the active ingredients to the skin while maintaining skin moisture and protecting sensitive skin after dermatological procedures for improvement of aesthetic skin properties. Also provided are methods for therapeutic treatment of dermatological conditions by topically applying, using, for example, a pre-moistened bio-cellulose mask, a formulation comprising (% w/w) at least 0.0001% palmitoyl sh-tripeptide-4 amide on an active basis and at least 0.1% Camellia sinensis leaf extract.