My Go-To Vitamin C Serum for Non-Oily, Calm Skin Despite Runny Texture

2025-09-07 Vitamin Reviews Categroy：Vitamin C Views：57

I love how this lightweight vitamin C serum avoids oiliness and redness, perfect for sensitive skin despite its runny feel and slight odor.

This is a review of product:

COSRX Pure Vitamin C 13% Serum with Vitamin E & Hyaluronic Acid, Hydrating Facial Serum for Fine Lines, Uneven Skin Tone & Dull Skin, 0.67fl.oz/20ml, Korean Skin Care

From Amazon.com

My Vitamin C Serum: Non-Oily, Gentle on Sensitive Skin

It's stinky. It's more runny than other hyaluronic acid I've used. But it doesn't make my face oily or dry or super red.

Vitamin Basics & Tips

Why Vitamin C Serums Vary in Texture and Smell

The "runny" texture mentioned in reviews relates to hyaluronic acid formulations. Unlike thicker serums, lightweight textures absorb faster and layer well with other products. While some users find this consistency less luxurious, it reduces pore-clogging risks for oily or acne-prone skin.

Balancing Effectiveness and Skin Sensitivity

This serum avoids causing oiliness, dryness, or redness due to its pH-balanced formula. Vitamin C (ascorbic acid) typically requires acidic pH for stability, which can irritate skin. However, newer derivatives like sodium ascorbyl phosphate provide antioxidant benefits without extreme acidity, making it suitable for sensitive skin.

Why Skincare Sometimes Smells Unpleasant

The "stinky" description refers to the absence of synthetic fragrances masking natural ingredient odors. Fragrance-free products minimize irritation but may have earthy scents from components like ferulic acid or unprocessed botanical extracts.

Daily Vitamin C Benefits Beyond Brightening

Vitamin C boosts collagen production (reducing fine lines), neutralizes pollution-induced free radicals, and enhances sunscreen protection. For best results, apply in the morning and pair with SPF 30+.

FAQ: Choosing the Right Vitamin C Serum

Q: Can runny serums be effective?
Yes – viscosity doesn't dictate potency. Thin formulas often penetrate deeper.
Q: How to minimize vitamin C oxidation?
Store in opaque, airtight containers away from sunlight.

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