Medicube Deep Vitamin C Golden Capsule Face Moisturiser

Overview

Medicube markets this on vitamin C, and you use it as your daily moisturiser. With a strong 4.5 out of 5 from 14k ratings, it is a well-liked pick. Its Amazon listing does not flag strong actives, which is a filter on listing text rather than a safety assessment.

The summary above follows how Medicube markets this product. We also read the published ingredient list line by line, and it tells a different story: what the ingredient order actually says.

At a glance

What buyers actually say

We read a sample of the Amazon reviews for this product and describe the pattern in our own words. It is a sample, not a survey of all 15,395 ratings, and we do not reproduce customer reviews.

Brightness is the theme running through this sample. Reviewers describe skin looking more radiant and more even after regular use, particularly when applied at night, and several mention fading marks and better hydration on mature skin. The gold capsules are part of the appeal, and the fresh citrus scent and included spatula come up often. The clearest practical complaint is the format. It is a gel rather than a cream, and buyers say it stays tacky and slow to absorb unless used sparingly, which makes it awkward under make-up. Two reviewers describe a learning curve in working out how many capsules to use, and one was left with surplus gel once the capsules ran low.

How the ratings break down

Amazon's own star distribution for this product, read on 2026-10-01. We show the one-star share too, because an average alone hides it.

7% of these ratings are one or two stars. That is about typical for the Medicube range, where the median is 6%.

We cannot tell you what those reviewers said. Amazon.co.uk now requires an account to open the full review list, so the critical reviews are not readable from a public page. We would rather say that than guess.

What is vitamin C?

Vitamin C is an antioxidant that helps brighten dull skin, even out tone and protect against daily environmental stress when paired with sunscreen.

Ingredients, as listed by Medicube

Taken from Medicube's own product page on 2026-08-02. We have not verified it against a physical pack, and formulations change by market and batch. If an ingredient matters to you, check the pack itself. One more caveat for UK readers: Medicube has no separate UK site, so this list comes from its US product page. UK and EU ingredient lists can differ from the US one, so treat this as indicative until you have the pack in front of you.

Show the full ingredient list (61 ingredients)

Hippophae Rhamnoides Water, Glycerin, Water, Niacinamide, Methylpropanediol, Propanediol, 1,2-Hexanediol, Butylene Glycol, Dipropylene Glycol, Caprylic/Capric Triglyceride, Glycereth-26, Ethylhexyl Palmitate, Cetearyl Alcohol, Arginine, Carbomer, Ammonium Acryloyldimethyltaurate/VP Copolymer, Cetearyl Olivate, Helianthus Annuus (Sunflower) Seed Oil, Sorbitan Olivate, Simethicone, Polyglyceryl-10 Laurate, Ethylhexylglycerin, Adenosine, Fragrance, Polyacrylate-13, Glycine Soja (Soybean) Oil, Disodium EDTA, Polyisobutene, Hydrolyzed Sclerotium Gum, Glyceryl Stearate, Gluconolactone, Polysorbate 20, Sorbitan Isostearate, Hydrogenated Lecithin, Bixa Orellana Seed Oil, Polyglyceryl-10 Stearate, Alpha-Arbutin, Panthenol, Sodium Ascorbyl Phosphate, Pentylene Glycol, Ferulic acid, Tocopherol, Ascorbyl Glucoside, 3-O-Ethyl Ascorbic Acid, Bisabolol, Ascorbic Acid, Hydroxyphenyl Propamidobenzoic Acid, Pyridoxine, Ubiquinone, Biotin, Folic Acid, Sodium Hyaluronate, Ascorbyl Propyl Hyaluronate, Ascorbyl Palmitate, Cyanocobalamin, Thiamine HCl, Riboflavin, Linoleic Acid, Beta-Carotene, Rutin, Hydroxycinnamic Acid

What the ingredient order actually tells you

• It is sold as a vitamin C moisturiser. On the published list the vitamin C derivative sits 43rd of 61, while niacinamide sits fourth.
• The base is sea buckthorn water and glycerin. Fragrance appears 24th. The only alcohol here is cetearyl alcohol, at 13th, which is the fatty, non-drying kind.
• So the brightening work here is mostly niacinamide, with vitamin C as a supporting note rather than the lead.

Our read

Treat this as a niacinamide cream with some vitamin C in it, not as a vitamin C treatment. That is not a criticism of the product, it is a correction of the expectation the name sets. If you want a serious vitamin C step, this is not it and a dedicated ascorbic acid serum will do more.

Who should skip this

• You are looking for a high-strength vitamin C step. The concentration implied by that position in the list is low.
• You react to fragrance. It is present and reasonably high in the list for a product aimed at sensitive, uneven skin.
• You already run niacinamide elsewhere in your routine.

A note on how we read that list. Ingredient lists run in descending order of concentration, but only for ingredients above 1%. Below that, the order is up to the manufacturer, so a low position tells you something is present at a low level, not exactly how much. We do not guess at percentages. FDA labeling guide.

What the listing says

Medicube's own description of this product, as published on its Amazon.co.uk listing. It is marketing copy, not our assessment, and we have not verified the claims in it.

• Pop & Blend - Enhance the delivery of Vitamin C deep into your skin with stabilized liposome capsules, promising visible improvements with consistent use.
• Customizable Mark-Blast Mix - Customize the capsule-to-gel ratio for a stable, soothing blend that absorbs effortlessly into the skin for everyday use.
• Concentrated Vitamin C - Contains 50% Sea Buckthorn Extract, 5% Niacinamide, and Pure Vitamin C, encapsulated for maximum freshness and effectiveness without oxidation.
• Proven Skin Radiance Improvement - Skin radiance improved by 34.8% immediately and by 32.6% after 24 hours, providing both instant and lasting results.
• Dermatologist-Tested & Gentle - Low irritation test completed with a skin irritation index of 0.00%. pH 5.8-7.8, no artificial colors, and sustainable packaging, perfect for daily use.
• Patch Test Recommended: Based on a Primary Skin Irritation Patch Test, Deep Vita C Golden Capsule Facial Moisturizer is safe to use on sensitive skin. Perform a patch test on your body before applying it to your face. If no irritation occurs within 24 hours, proceed to use it on your face. Consult your doctor immediately if irritation occurs.

Full listing title: Deep Vitamin C Golden Capsule Face Moisturiser - Liposome Capsules For Wrinkles, Skin Radiance - Transparent Gel for Glow Hydration - Korean Skin Care 1.94 oz

Frequently asked questions

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