A lightweight vitamin C derivative serum with vitamin E, ferulic acid, and hyaluronic acid, designed to brighten skin and support even tone.
Water Deionized, Vitamin C (Sodium Ascorbyl Phosphate), Alkyl Benzoate, Vegetable Glycerin, Water, Glycerin, Sodium Levulinate, Sodium Anisate, Clary Sage (Salvia Sclarea), Grapefruit (Citrus Grandis), Hyaluronic Acid, Amorphophallus Konjac Root Powder, Aloe Barbadensis Leaf, Vitamin E (Tocotrienol), Ferulic Acid, Chamomile Flower Extract (Recutita Matricaria), Sodium Phytate, Xanthan Gum, Hydroxyethylcellulose
Guru Score
The Guru Score: every expert's verdict on a product, in one simple number.
Under the score you'll see how many experts weighed in, or "Early verdict" while only a few have. Paid takes count for half in the score.
Guru Certified means at least 6 experts, a score of 85% or more, and almost no Nays.
How we score →Mixed
7 experts · Strong agreementWhat the gurus are saying
This serum's light, water-like texture and stabilized vitamin C formula earn consistent praise for gentle brightening without the irritation or oxidation risk of pure ascorbic acid. Dermatologists found it may help with acne and uneven tone, though some note the dropper is awkward and the texture leaves a slight tackiness that fades quickly. At $34, it reads as a solid affordable entry point for vitamin C, though one expert felt the stabilized form raises questions about real efficacy compared to stronger options.
What they liked
What they flagged
Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.
Independent of what the gurus think, this is what the published research supports about the main active ingredients here.
Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.
Source: DermNet
Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.
Source: DermNet
A lightweight vitamin C derivative serum with vitamin E, ferulic acid, and hyaluronic acid, designed to brighten skin and support even tone.
The gurus mostly approve it, but with enough reservations to keep it in the middle at a Guru Score of 68%.
Mad Hippie Vitamin C Serum holds a Guru Score of 68%. That is our read on how warmly the experts talk about it, based on the verdicts of 7 expert reviewers we have collected.
Lower-priced products in the same category that the experts still rate highly.
See how they stack up →Other products the same gurus have weighed in on, plus more from this brand and category.
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