

Review
The Garnier Vitamin C Serum sits firmly in that sweet spot between drugstore accessibility and actual skincare results. What you're getting here is a three-pronged approach: 4% Vitamin C for brightening and antioxidant protection, niacinamide for pore refinement and skin barrier support, and salicylic acid for gentle exfoliation and acne prevention. It's a clever formula that doesn't overcomplicate things.
The texture is lightweight and silky – it applies like a dream and sinks in within minutes. I've been using it both morning and evening, and there's no tackiness or residue. Over three weeks, I've noticed a genuine improvement in skin radiance, and my dark spots have definitely started fading. The fact that Garnier markets it as suitable for sensitive skin is worth noting; it doesn't irritate, though I'd still recommend introducing it gradually if your skin is reactive.
Where this serum excels is value for money. At £6.25, you're paying less than half the price of comparable vitamin C serums that tout similar actives. Yes, there are more concentrated options out there – The Ordinary's L-Ascorbic Acid is 10% for instance – but they're also more finicky to use and can be irritating. Garnier's formula prioritises stability and gentleness alongside efficacy.
One genuine limitation: the 30ml bottle is modest, though it lasts reasonably long since you only need a small amount. Also, if your skin leans extremely dry or dehydrated, you'll absolutely need a moisturiser afterwards – this is a serum, not a hydrating treatment.
For the price, this deserves a place in most skincare routines. It's effective, accessible, and doesn't promise miracles it can't deliver. At 42% off, it's absolutely worth stocking up.