As we get older, our skin loses collagen, leading to sagging and more noticeable lines and wrinkles. Fortunately, today's market is overflowing with savvy skincare solutions aiming to rejuvenate your skin by hydrating, firming up, and ramping up collagen levels.

Wondering which products actually deliver? We sent a variety of serums and creams designed to plump the skin to our reviewers who trial ran them for a month, and these are the ones the earned glowing five-star reviews, reports OK!...

An innovative vitamin A skincare choice, this serum from celebrity-adored Kate Somerville encapsulates retinal within tiny calcium beads, ensuring deeper absorption into the skin for a slow release with less aggravation.

Our head of shopping Zoe says: "I don't think I've ever had before-and-after pictures quite as good as ones from using this skincare product. Before, my skin was rough and prone to small blemishes. After a week the texture is mostly gone, there's less pigmentation, the fine lines around my eyes (mostly from dryness) have been reduced and I generally look healthier.