Find Similar Products to Obagi Professional-C Serum 20%

The gold-standard clinical vitamin C serum — 15% L-ascorbic acid paired with 1% vitamin E and 0.5% ferulic acid for synergistic antioxidant power. Neutralises free radicals, visibly firms skin, and reduces the appearance of fine lines and photo-damage. Like the Obagi Professional-C 20%, you're getting a pure L-ascorbic acid formula built squarely on clinical evidence and dermatologist credibility. The C E Ferulic sits at the very top of the professional vitamin C serum category — same philosophy, same morning-routine positioning, just with the added ferulic-and-E synergy that makes the vitamin C more stable and more effective on your skin. If you value a serum with decades of peer-reviewed research behind it and a loyal following among dermatologists, this is the natural next step. The drop-by-drop application ritual will feel immediately familiar, and the fast-absorbing, lightweight texture means it slips seamlessly under your SPF without any tackiness.

A high-potency clinical serum pushing vitamin C concentration to 25%, amplified by glutathione for a dual-brightening effect that targets discolouration, sun damage, and uneven tone. Fragrance-free, evidence-led, and suitable for all skin types. You're clearly comfortable with high-percentage actives — the Obagi at 20% is no beginner's serum — and Paula's Choice steps that up to 25% while adding glutathione, a skin-brightening antioxidant that works on a different pathway to vitamin C. The result is a more comprehensive attack on dullness and pigmentation than a single-active formula can deliver. Paula's Choice is built on the same no-nonsense, evidence-first ethos as Obagi, so you won't find any filler marketing claims here. Sold directly by Paula's Choice Europe on Amazon, you also get the confidence of buying from the brand itself — important with vitamin C, where stability and freshness matter enormously.

A French pharmacy-born concentrate delivering 20% stabilised vitamin C alongside hyaluronic acid in a fragrance-free, dermatologist-tested formula. Designed to revive dull complexions and protect against environmental stress with a minimalist, skin-respecting ingredient list. This is the wildcard for you if you love the clinical strength of Obagi's 20% but want a formula that leans into the French pharmacy tradition — rigorous dermatological testing, natural-origin actives, and a conscious minimalism that strips out every unnecessary ingredient. SVR's stabilised vitamin C form also means greater shelf stability once opened, which is a real-world advantage over pure L-ascorbic acid serums. The hyaluronic acid co-pilot gives it a slightly more comfortable skin feel than a straight ascorbic acid formula, making it a compelling option if your skin runs on the sensitive or reactive side. At a notably lower price point than Obagi or SkinCeuticals, it lets you use it generously — and consistency is everything with vitamin C.