Product guide

Glytone Age-Defying C+ Vitamin C Serum, 20% Complex, 1 fl oz

Complex: Glytone Age-Defying C+ Vitamin C Serum is a 1 fl oz face serum described as a 20% vitamin C, vitamin E and squalane antioxidant formula. It is intended to hydrate and brighten skin while addressing the appearance of fine lines and uneven tone, though customer feedback includes concerns about sensitivity and the pump.

At a glance

The listing identifies THD Ascorbate as the vitamin C form and claims the 20% complex helps brighten skin and reduce the appearance of dark spots.
Squalane is included for hydration and moisture retention, according to the product claims.
The listing describes the formula as fragrance-free and paraben-free, with quick absorption and no sticky residue.
Designed for daily facial use, including under makeup or sunscreen, according to the listing.

Price

$29.95Save 69%

Reference price: ~~$98.00~~

Price checked: Nov 14, 2026

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Often bought together

Glytone Enhance Brightening Complex - With 12% Azelaic Acid, 3% Glycolic Acid - Brightens Skin & Reduces Dark Spots - Non-Comedogenic - 1 fl. oz.

$34.95

Glytone Mild Gel Cleanser - Exfoliating Face Wash for Normal to Combination Skin - With 4.7% Pure Glycolic Acid - Vegan & Fragrance-Free - 6.7 fl. oz.

$24.95

Pros and cons

Pros

Combines a high-concentration vitamin C claim with vitamin E and squalane in one serum.
Hydration and brightening are paired with claims targeting the appearance of fine lines and discoloration.
The listing says it is fragrance-free and paraben-free.

Technical specifications

7 specifications

Identity
Brand	Glytone

Dimensions and installation
Dimensions listed	1.59 x 1.56 x 5.2 inches; 3.84 ounces

Formula and intended use
Vitamin C complex	20% Vitamin C
Named ingredients	Vitamin C, E and Squalane
Formula claims	Parabens & Fragrance Free
Stated skin types	All Skin Types
Product size	1 Fl Oz

What to know before buying

Customer feedback reports that some users found the serum unsuitable for sensitive skin, so the listing's all-skin-types positioning may not fit every individual. Customer comments also describe mixed pump performance and consider the product expensive. The listing claims 20% vitamin C, but does not specify the percentage of each ingredient in the complex.

Who is it for?

A good fit for

Shoppers seeking a daily vitamin C face serum with squalane for hydration and a brighter-looking, more even tone.
People looking for a single serum marketed for both fine-line appearance and discoloration concerns.

Less suited to

People who need a formula confirmed to suit sensitive or reactive skin.
Buyers who want customer feedback confirming reliable pump performance.

Customer reviews on Amazon

4.5 / 5 · 240 ratings

5 stars79%79%
4 stars6%6%
3 stars8%8%
2 stars2%2%
1 star5%5%

Customer feedback highlights perceived effectiveness, moisturizing, and improvements in skin appearance and texture. Those points fit the serum's stated goals of hydration and brightening, but reports do not establish results for every user. Feedback is mixed on pump functionality, and some customers report sensitivity and consider it expensive. The aggregate ratings lean positive overall, while the smaller share of lower-star ratings means the overall figure does not resolve those specific concerns.

Positive themes

Customers describe the serum as effective and moisturizing.
Some customers report improved skin tone or texture and softer-feeling skin around the eyes.

Negative themes

Some customers report that it is not suitable for sensitive skin.
Some customers consider it expensive.

Mixed feedback

Pump functionality receives mixed feedback, with some customers reporting successful dispensing and others saying the pump does not work.

Frequently asked questions

What are the listed active ingredients?

The listing names THD Ascorbate, vitamin E and squalane, and claims a 20% vitamin C complex. It does not specify the individual percentages of the ingredients.

What skin concerns is it intended to address?

The product is marketed to hydrate and brighten skin and improve the appearance of fine lines, wrinkles, dark spots and uneven tone. These are product claims, not guaranteed results.

Is it suitable for sensitive skin?

The listing describes it as suitable for all skin types and fragrance-free, but customer feedback includes reports of sensitivity. Individual tolerance may vary.

What do customers say about the dispenser?

Customer feedback describes mixed pump functionality, with some reporting that it works and others saying it does not.