IYASA
Vitamin C (5%) Face Serum
Vitamin C (5%) Face Serum
A lightweight, water-based formula clinically tested to hydrate, smooth, and enhance skin radiance.
Regular price
$27.99 USD
Regular price
Sale price
$27.99 USD
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Complete the Routine
SGS Labs-Tested, Pharmacie-trusted.
Most customers purchase this as part of an IYASA Routine.
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- Clinically Tested
- Safe for Melanin-Rich Skin
- No Harsh Bleaching Agents
- Pharmacy Trusted
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- Visibly improves skin radiance and tone
- Lightweight, non-greasy, water-based texture
- Formulated with Vitamin C and Niacinamide
- Clinically tested by SGS laboratories
- Suitable for melanin-rich and sensitive skin
IYASA 5% Vitamin C Serum - Potent Anti-Aging & Skin Brightening Formula with Natural Scent - Boost Collagen, Hydrate & Plump Skin, Dark Spot Reduction, Anti-Wrinkle Facial Serum 30ml
- [Why Does This Product Have a Distinct Smell?] Our formula contains 5% Vitamin C, a concentration that is both effective and potent. It's normal for products with this level of Vitamin C to have a characteristic scent, which is a natural result of the active ingredients. This scent is a sign of the product’s efficacy and will fade shortly after application, ensuring you still enjoy the full benefits without any lingering smell.
- [ANTI AGING FORMULA]: Purposefully balanced blend with Vitamin C, botanical Hyaluronic Acid, Vitamin E, Aloe Vera, Jojoba Oil, and MSM to help brighten, calm, and protect the skin.
- [BETTER FORM OF VITAMIN C]: Highly stable, Sodium Ascorbyl Phosphate maintains potency longer with less skin stinging than other commonly used forms of Vitamin C.
- [SKIN FRIENDLY, GENTLE SKIN CARE]: Fragrance-free nourishment with vital nutrients, antioxidants, and botanical actives to improve skin wellness. Vegan, cruelty-free formula without parabens or harmful chemicals.
- [THE TRUSKIN DIFFERENCE]: If this product isn't a fit for your skin, we're here for you. Each balanced blend of key antioxidants, super-nutrients, and botanical actives enhances efficacy and delivers skin-friendly benefits, without additives or fragrances. The expiration date is printed on the barcode sticker on the packaging.
- 𝗧𝗨𝗥𝗡 𝗕𝗔𝗖𝗞 𝗧𝗛𝗘 𝗖𝗟𝗢𝗖𝗞 𝗢𝗡 𝗔𝗚𝗜𝗡𝗚: Our vitamin C serum uses 3-O Ethyl Ascorbic Acid to quickly boost your skin’s glow – unlike most serums, which feature weaker derivatives.
Main Ingredients
- Vitamin C (3-O-Ethyl Ascorbic Acid) – Brightens and improves the look of uneven skin tone
- Hyaluronic Acid (Sodium Hyaluronate) – Hydrates and plumps the skin
- Hydrolyzed Collagen – Helps skin appear smoother and firmer
- Panthenol (Pro-Vitamin B5) – Soothes and strengthens skin
- Madecassoside – Helps calm and support sensitive skin
- Ectoin – Protects against environmental stress
- Beta-Glucan – Enhances skin comfort and resilience

Collapsible content
BENEFITS
Our advanced formula is designed to deliver visible results while respecting the natural balance of melanin-rich skin.
KEY INGREDIENTS
- Vitamin C – Supports brighter-looking, radiant skin
- Niacinamide – Helps improve skin texture and even appearance
- Hydrating agents – Support moisture retention without heaviness
HOW TO USE
- Apply a small amount to clean, dry skin.
- Massage gently until fully absorbed.
- Use morning and evening for best results.
FULL INGREDIENTS
To be provided
CLINICAL & SAFETY
- SGS laboratory tested
- Cosmetic-grade ingredients
- Water-based formulation • Dermatologist tested
FAQ
Is this suitable for sensitive skin?
Yes, our formulas are designed to be gentle and non-irritating.
How long before I see results?
Many users report visible improvements within 2–4 weeks with consistent use.