best collagen serum

Ingredients that target collagen or support collagen production commonly include peptides, vitamin C, retinol/retinyl derivatives, and hyaluronic acid. Some listings also name collagen directly or claim to boost collagen production.

These serums commonly list suitability for combination, oily, dry, mature, and normal skin; several also mention they’re suitable for sensitive skin.

They’re often described as lightweight, fast-absorbing, and non-greasy; several listings and reviews also call them non-drying and quick to absorb.

Several listings state they contain hyaluronic acid and claim benefits such as deep hydration, skin plumping, improved moisture retention, and smoothing of fine lines.

Most products recommend daily use—several advise applying in the morning and evening, some suggest once daily (AM or PM), and one notes using the serum 1–2 times per day.