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Vitamin C Boosting Serum

  • $14.00
  • Regular price $35.00

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Brighter, more even skin in as little as two weeks. The Dr. Althea Vitamin C Boosting Serum is a high-potency yet gentle brightening serum built on 63% sea buckthorn (hippophae rhamnoides) water — a natural source of vitamin C with more than three times the vitamin C of a lemon. Paired with 5% niacinamide, 2% tranexamic acid and alpha-arbutin, it targets dullness, dark spots and uneven tone while eight forms of hyaluronic acid and centella keep skin hydrated and calm. Lightweight, non-sticky and vegan, it's a daily glow-booster that's gentle enough for sensitive skin.

Vitamin C, the gentle way: Instead of harsh pure vitamin C, it uses 63% sea buckthorn water — a naturally vitamin-C-rich botanical — plus stable 3-O-ethyl ascorbic acid, for powerful brightening that's milder and better tolerated by sensitive skin.

Targets dark spots and dullness: A brightening trio of niacinamide, tranexamic acid and alpha-arbutin works to fade the look of dark spots, hyperpigmentation and uneven tone — clinically shown to improve pigmentation with continued use.

Deep hydration, no stickiness: Eight types of hyaluronic acid plus centella asiatica water, beta-glucan and ceramide NP flood the skin with lasting moisture and soothe, all in a lightweight, non-greasy finish.

Clean, vegan and gentle: EWG Green Grade ingredients, vegan, and free from artificial colour, fragrance and harsh additives — safe for sensitive skin and daily use.

Major Ingredients:
Hippophae Rhamnoides Water, Centella Asiatica Leaf Water, Niacinamide, 1,2-Hexanediol, Dipropylene Glycol, Water, Methyl Gluceth-20, Methylpropanediol, Betaine, Tranexamic Acid, Glycerin, Pentylene Glycol, Propanediol, Hydroxyethyl Urea, Laminaria Japonica Extract, Eclipta Prostrata Leaf Extract, Ficus Carica (Fig) Fruit Extract, Centella Asiatica Extract, Hydrogenated Lecithin, Sodium Hyaluronate, Carbomer, 3-O-Ethyl Ascorbic Acid, 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, Sodium Acetylated Hyaluronate
Ingredients subject to change at manufacturer's discretion. For the most complete and up-to-date list of ingredients, please refer to product packaging.

Apply a moderate amount evenly over the face and pat lightly for better absorption.

Vitamin C Boosting Serum

Vitamin C Boosting Serum - 30ml

$14.00

Frequently Asked Questions

A high-potency yet gentle brightening serum built on 63% sea buckthorn (hippophae) water — a natural vitamin C source with over three times the vitamin C of a lemon. Combined with 5% niacinamide, 2% tranexamic acid and alpha-arbutin, it targets dullness, dark spots and uneven tone while eight forms of hyaluronic acid keep skin hydrated. The bottle is 30ml.

Instead of harsh, unstable pure vitamin C (L-ascorbic acid), it uses sea buckthorn water — a botanical naturally rich in vitamin C — plus a stable vitamin C derivative (3-O-ethyl ascorbic acid). This delivers powerful brightening that's much gentler and better tolerated, making it suitable even for sensitive skin.

Yes — that's its main purpose. The brightening trio of niacinamide, tranexamic acid and alpha-arbutin works to fade the look of dark spots, hyperpigmentation and uneven tone, with clinical testing showing improved pigmentation and a brighter complexion within about two weeks of consistent use.

Yes. Its gentle vitamin C approach, plus soothing centella, ceramide NP, beta-glucan and bisabolol, makes it well suited to sensitive skin. It's also vegan, fragrance-free, free from artificial colour and made with EWG Green Grade ingredients. As always, patch test first if your skin is reactive.

No. The lightweight formula absorbs quickly with a non-greasy, non-sticky finish, thanks to eight types of hyaluronic acid that hydrate without heaviness — so it layers beautifully under moisturiser, makeup and SPF.

After cleansing and toner, pat 2-3 drops over your face until absorbed, then follow with moisturiser. You can use it morning and/or night, but always finish with SPF 30 or higher during the day, as vitamin C and brightening actives work best under sun protection.

Yes — it's essential. Brightening actives like vitamin C and tranexamic acid work to fade dark spots, but sun exposure can undo that progress and deepen pigmentation. Daily SPF 30+ protects your results and keeps your skin tone even, especially important in Australia.

Yes, though introduce it gradually if you already use strong actives. It layers well with hydrating and barrier-supporting products, but if you also use exfoliating acids or retinol, consider alternating them across different times or days to avoid over-sensitising your skin.

You can purchase the authentic Dr. Althea Vitamin C Boosting Serum and the full Dr. Althea range at Kosmetics with free standard shipping across Australia on orders over $45, and free express shipping on orders over $99.
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