Product · Antioxidant serum · Reference
P. 16 · REVIEWSkinCeuticals
The Pinnell trio — 15% L-ascorbic acid, 1% α-tocopherol, 0.5% ferulic acid at pH 3.2. The formulation that defined the modern vitamin C serum twenty years ago and remains the benchmark every generic is judged against.
— § 01
— § 02
— § 04
84⁄100
Same trinity. The honest dupe.
78⁄100
Higher LAA, less stable. Refrigerate.
72⁄100
Gentler ramp — 5% LAA at pH 4.5.
— Cross-references
— § 05
The patent-pure formulation is real and slightly outperforms generic equivalents in stability over 6 months. But a Maelove Glow Maker at ₹2,200 reaches roughly 85% of the same in-vivo endpoints. If you can spend it without flinching, the original is excellent. If not, the Maelove is not a compromise — it is a sensible choice.
Yes. Three months once opened, six unopened. The colour is your guide: pale straw → orange → bin.
L-ascorbic acid at pH 3.2 is irritating to the stratum corneum on application. The tingle should fade within 5 minutes. Persistent stinging means your barrier is the bottleneck — back off, build with niacinamide for two weeks, return at every-other-day.
Yes — that is its primary job. Apply on dry skin, wait 5 minutes, then layer SPF. C E Ferulic compounds the biological photoprotection of SPF, it does not replace it.