What does 30% vitamin C serum support?

KISOCARE 30% Pure Vitamin C Serum helps support a brighter-looking complexion and a more radiant skin appearance. Vitamin C is one of the most well-researched ingredients in skincare.

Is 30% vitamin C suitable for beginners?

30% is a high concentration best suited for those already comfortable with vitamin C products. Those new to vitamin C should start with a lower concentration (10–15%) before stepping up.

How do I prevent my vitamin C serum from oxidizing?

Store in a cool, dark location away from direct sunlight. Use within 2–3 months of opening. Some natural yellowing is normal; discard if it darkens to deep orange or brown.

Can I use vitamin C with other actives?

Yes. Vitamin C pairs well with vitamin E. Apply in the morning before SPF for best results. Use niacinamide in a separate step.

Does KisoCare ship internationally?

Yes. KisoCare ships worldwide with DDP. No hidden customs charges at delivery.

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kisocare

Sérum KISOCARE à 30% de Vitamine C Pure 30ml

Name: Sérum KISOCARE à 30% de Vitamine C Pure 30ml
Brand: KISOCARE
SKU: kiso-k34
Price: 24.66 USD
Availability: InStock

$24.66 USD

~~$27.40 USD~~ $24.66 USD

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✈️ Expédié depuis le Japon | Droits et taxes inclus
Nous livrons en DDP vers les États-Unis et le Canada (hors zones éloignées). Nous prenons en charge les frais de douane pour vous.

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Active Ingredient

Pure Vitamin C (L-Ascorbic Acid)30%

Apply 2–3 drops to cleansed skin. Best used in the morning followed by sunscreen.

Formulated in Japan. Patch test recommended for sensitive skin.

Why KISOCARE

Feature	KISOCARE	Typical Clinical Serums
Fragrance	Free	Often added
Origin	Japan	Various
Ingredient grade	Pharmaceutical	Cosmetic
Unnecessary fillers	None	Common

Sérum 30 ml de Vitamine C Pure à 30 %

Pure Essence VC30 30 ml – Doux et hydratant

Pour un teint qui vainc les signes visibles du temps !

Sérum contenant 30 % (*1) de dérivé de vitamine C nouvellement formulé

*1 Acide ascorbique de bis-glycéryle, glycérine, eau (en tant qu’ingrédient revitalisant pour la peau)

Sans parabènes / Sans parfum synthétique / Sans colorants artificiels / Sans silicone / Sans alcool dérivé du pétrole / Sans tensioactifs dérivés du pétrole / Sans huile minérale / Sans absorbants UV

Fabriqué au Japon

Votre peau montre-t-elle des signes visibles du temps ?

-Le maquillage ne tient pas bien

How Subscribe & Save Works: Save 15% and Never ...

If you have ever run out of your favorite serum at the worst possible moment, or let a bottle of azelaic acid cream sit half-used because you forgot to reorder,...

How Subscribe & Save Works: Save 15% and Never ...

If you have ever run out of your favorite serum at the worst possible moment, or let a bottle of azelaic acid cream sit half-used because you forgot to reorder,...
Introducing Subscribe & Save — Never Run Out Again

We're excited to introduce Subscribe & Save — now available on every KISOCARE product. Choose the subscription option on any product page to have your favorite Japanese skincare essentials delivered...

Introducing Subscribe & Save — Never Run Out Again

We're excited to introduce Subscribe & Save — now available on every KISOCARE product. Choose the subscription option on any product page to have your favorite Japanese skincare essentials delivered...
Introducing Subscribe & Save — Never Run Out Again

We're excited to introduce Subscribe & Save — now available on every KISOCARE product. Choose the subscription option on any product page to have your favorite Japanese skincare essentials delivered...

Introducing Subscribe & Save — Never Run Out Again

We're excited to introduce Subscribe & Save — now available on every KISOCARE product. Choose the subscription option on any product page to have your favorite Japanese skincare essentials delivered...

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Sérum KISOCARE à 30% de Vitamine C Pure 30ml