Vitamin C Boosting Serum
Serum & Ampoule
check Evens skin tone and reduces dark spots in 4 to 6 weeks
check Formula with 9 active vitamins suitable for sensitive skin
check Lightweight, non-greasy texture that applies under makeup
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Dr. Althea - Vitamin C Boosting Serum
Detailed description
Detailed description
Dull skin, marked by spots or redness, often struggles to tolerate serums with pure vitamin C, which are known to be irritating.
Dr. Althea's Vitamin C Boosting Serum (30ml) bypasses this problem with a synergistic 9-vitamin formula, including stabilized vitamin C (3-O-Ethyl Ascorbic Acid) and sea buckthorn (Hippophae Rhamnoides), naturally rich in antioxidants.
These active ingredients target hyperpigmentation, boost radiance, and stimulate cell renewal without irritating reactive skin. Niacinamide complements this action by unifying skin texture and reducing the visibility of pores.
Result in 4 to 6 weeks: brighter complexion, reduced spots, strengthened skin. Ideal for sensitive, combination, or dull skin that wants to benefit from vitamin C without the risk of discomfort.
How to use
How to use
How to integrate Dr. Althea Vitamin C Boosting Serum into your Korean routine?
- Cleansing: always start with clean skin using a Korean facial cleanser.
- Toner: apply a Korean toner to prepare the skin to absorb the subsequent active ingredients.
- Serum (this treatment): apply a few drops of the Vitamin C Boosting Serum to the face, gently pat until fully absorbed, morning and evening.
- Moisturizer: seal in the active ingredients with a Korean moisturizer.
- Sun protection (morning only): vitamin C slightly sensitizes skin to light, so be sure to apply a Korean sunscreen in the morning to preserve results.
💡To avoid any reaction, gradually introduce each new product into your routine. Your skin needs time to adapt! Also, remember to test the product on a small area of your hand before applying it to your face.
Ingredients
Ingredients
Sea Buckthorn Water (Hippophae Rhamnoides), Centella Asiatica Leaf Water, Niacinamide, Butylene Glycol, 1,2-Hexanediol, Dipropylene Glycol, Water, Methyl Gluceth-20, Methylpropanediol, Betaine, Tranexamic Acid, Glycerin, Pentylene Glycol, Propanediol, Hydroxyethyl Urea, Japanese Seaweed Extract, Eclipta Prostrata Leaf Extract, Fig Fruit Extract, Centella Asiatica Extract, Hydrogenated Lecithin, Sodium Hyaluronate, Carbomer, 3-O-Ethyl Ascorbate (Stabilized Vitamin C), C12-14 Pareth-12, Ammonium Acryloyldimethyltaurate/VP Copolymer, Xanthan Gum, Tromethamine, Panthenol, Ethylhexylglycerin, Adenosine, Disodium EDTA, Fructooligosaccharides, Beta-Glucan, Ascorbic Acid, Hydrolyzed Hyaluronic Acid, Ceramide NP, Alpha-Arbutin, Tocopherol, Bifida Ferment Lysate, Bisabolol, Ubiquinone, Hydroxydecyl Ubiquinone, Acetylated Sodium Hyaluronate.
Frequently Asked Questions
Frequently Asked Questions
How do I incorporate the Dr. Althea Vitamin C Boosting Serum into my routine?
Apply the serum after your toner, morning and night, to clean, slightly damp skin. Dispense a few drops, pat until absorbed, and follow with your moisturizer. In the morning, always apply sun protection over it: vitamin C is photosensitizing, and SPF protects the results achieved.
Is this serum suitable for sensitive or reactive skin?
Yes. Unlike serums with pure vitamin C (ascorbic acid)which often irritate reactive skin, this serum uses a stabilized form (3-O-Ethyl Ascorbic Acid) and EWG green-grade ingredients. The formula is hypoallergenic, vegan, and tested for sensitive skin. If you are introducing a new skincare product, perform a patch test on your wrist for 48 hours before applying it to your face.
How long does it take to see visible results?
Most users observe an improvement in radiance within 2 to 3 weeks. The fading of dark spots and evening out of skin tone are noticeable after 4 to 6 weeksof regular morning and evening use. Results vary depending on phototype and the depth of the spots.
Can it be combined with other actives like retinol or AHAs/BHAs?
Vitamin C pairs well with niacinamide and hyaluronic acid, which are already present in this serum. Avoid using it simultaneously with strong exfoliating acids (AHAs/BHAs) or retinol in the same application: apply vitamin C in the morning and your exfoliants or retinol in the evening to prevent any sensitivity.
Is the Dr. Althea Vitamin C Boosting Serum available in pharmacies?
This serum is not distributed in pharmacies in France. You can find it at Holy Skin, a K-Beauty retailer based in France, with delivery within 2 to 3 business days from our French stock. No customs fees, no waiting.

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- 5 stars: 77 (85%)
- 4 stars: 14 (15%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
Ich kam aufjedenfall Verbesserungen sehenMeine Pigmentflecken sind weniger geworden und meine Haut strahlt mehr!!!Werde es aufjedenfall nachbestellen wenn es leer ist.
I love this product. The effectiveness of this is immaculate, I used it the first 4 days and it helped with my dark spots, I was impressed, it’s lightweight, not greasy, moisturizing and it did not irritate my skin. And also, not too expensive for what it does.
I have said this multiple times to people. Dr Althea products work. I love how brightening this Vitamin C is and how it layers perfectly between my skin care products
I'm 45 years old and huge on taking care of skin and making sure that my skin stays healthy and glowing. This product is my holy grail I use it morning and night along with my other serums and moisturizer. I promise you will not be disappointed. Make sure you stay consistent and over time you will see the affects. Smoother skin and many spots start to diminish.
This isn't going to be my final review on this since I only just got it 2 days ago and I have high hopes! But as far as initial review, the bottle is so pretty on my bathroom sink 😆, I love that even if it doesn't fix my spots that it has a good amount of Hyaluronic acid in it so it will always cover SOMETHING for me in a beneficial way, and I don't know what people are talking about but the smell is DEF STRONG, it's not bad by any means but it's VERY much smells like I'm smothering grapefruit juice all over my face so it's def filled with vitamin C lol its strong at first but once you put other things on your face afterwards you don't smell it anymore 👍🏻I feel like once I put it on it makes the parts of my face that are clear look at least brightened which may be the HA or the vitamin C I'm not sure, but I have high hopes for this stuff so I'll rewrite this review in 2 weeks.I've tried so many american vitamin c serums and had tried the GOODAL vitamin C serum (koreas #1) and also have the Melano C serum (Japan's #1) and got meh results tho I'm still spot treating and hoping it does something over time. I have a lot of acne scars and freckley sun damage
Purchased three items from this brand as I loved their other products I tried a few years ago and I am happy with all these items I bought this time.The Vitamin C serum doesn’t have any scent but it’s extremely moisturizing and leave my skin glowing. Will see after 10 days how much improvement my face got 😆 excited to see the result and will keep you all posted! Definitely recommended!
This serum is fantastic, a high dose of vitamin C conveniently in a serum. It has fantastic results whilst also being sensitive on the skin. I noticed a reduction in dark spots and uneven skin tone within two weeks. My skin feels great after using this soft and healthy, I had no skin irritation with this and I’m usually quite sensitive to skincare. It’s a really effective skincare product and I would recommend this and will definitely be repurchasing.
This vitamin c serum is my favorite and I have been using it for almost 3 years now. and I can see that it visually reduces dark spots. I have lots of acne and get acne scarring. I would recommend also using a nice sunscreen and it will be amazing with reducing dark spots and making ur skin brighter! If you have sensitive skin, I would recommend the sensitive one!
This product is amazing!! Brightened my skin, I use it day and night mixed with niacinamide serum. I almost have glass skin love it!
Good
Ideal for a sensitive skin
vit C. util.
I'm on my 2 week of using it, my friends keep telling my that I got extra glow on skin.
Super! J’ai adopté de suite! Si vous avez utilisé le double sérum de clarins, celui la vous fera le même effet pour 4 fois moins cher!
Quality serum, happy with purchase.
Il fait partie de ma routine matinale, il illumine le teint , texture très agréable, quelques gouttes suffisent, sans odeur, je rachèterai
10/10
As described. My teen daughter is very happy with the product. Her skin visibility improve after 2 weeks
Bardzo dobry, polecam
Perfect!
Great quality and works perfectly. Exactly as described. Very happy with my purchase!
Potente antiossidante e illumina,dona idratazione, con azione lenitiva. Consigliato!!!
Must try this item
I love products with vitamin C. I feel like they make my skin look and feel glowy and nice. I found this product through an influencer that uses it religiously and figured I would give it a try! I've only been using it for a week or so but I do enjoy it and I feel like it gives me that glow I like. Not sure if this will be one of my holy grail products just yet, but come back to me in a month and my views may change. lol
Je suis très contente
Top
Another amazing product of Dr Althea. I used this before applying 345 Relief Cream. Used it twice daily AM and PM - never missed a day. It helped brightening my skin and minimize my breakouts. Not sticky and fragrance. I highly recommend this product.
C’est juste incroyable
I haven’t seen any major changes on my skin yet, however, it feels and looks it’s of good quality.I haven’t finished my first bottle yet, so I still have high hopes.
Excellent product to treat facial blemishes, I highly recommend it.
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