# Glutathione serum for dull skin: HEEDA High-End Glow Serum

- By Seoyul (https://superchart.com/en/@when-screens-rest/)
- Written Dec 13, 2025
- Updated Sep 11, 2026
- Products › Beauty products
- Product provided: I received this product and used it for about two weeks. [type=provided]
- English edition: https://superchart.com/en/@when-screens-rest/heeda-glutathione-glow-serum-two-week/
- Also in: [한국어](https://superchart.com/ko/@when-screens-rest/heeda-glutathione-glow-serum-two-week/index.md)

## In short

HEEDA Glutathione High-End Glow Serum is a Korean brightening serum I used morning and night for about two weeks for dullness, redness, and small dark spots. Its watery texture felt light and worked under makeup without pilling for me, and while my skin looked more even, that result was personal to my skin condition.

## Good to know

- **Product**: HEEDA Glutathione High-End Glow Serum
- **Testing period**: About 2 weeks
- **How I used it**: Morning and night for concerns including dark spots, redness, and dullness
- **Where to buy**: Search “HEEDA serum” on Coupang

*Prices as written by the tester on Dec 13, 2025 · not updated automatically*

## What are the texture and application like?

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-01-e3sjk-1200.webp)

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-02-dktgi-900.webp)

I often use brightening serums because I am concerned about small dark spots, redness, and dull-looking skin. This one had a watery texture that absorbed lightly as I applied it and felt as though it adhered to my skin.

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-03-p76vi-900.webp)

- It did not feel especially sticky or heavy.
- I could use it without it sitting on the surface.
- Even when I applied it before makeup, it did not pill for me.

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-04-1vpgw-900.webp)

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-05-oqp1m-900.webp)

## How did it feel on dry heels?

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-06-6t9kc-900.webp)

I also applied it to my rough, dry heels to check its moisture level. Right after application, it felt as though moisture was soaking in between the dry skin, and rather than looking oily on the surface, my heels felt soft and hydrated. I also felt hydration and a subtle glow when I applied it to the backs of my hands.

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-07-fx30b-900.webp)

## How did my skin change after two weeks?

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-08-1b90l-900.webp)

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-09-7d1ql-900.webp)

After using it consistently for about two weeks, I felt that my redness and small dark spots looked more refined, while my skin tone appeared a little more even and clearer. Even on days when I wore light makeup, my skin looked less dull. However, these changes are personal observations based on my own skin condition.

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-10-122j5-900.webp)

## Would I keep using it as a daily serum?

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-11-1mz3l-900.webp)

![Glutathione serum for dull skin: HEEDA High-End Glow Serum](https://img.superchart.com/images/heeda-glutathione-glow-serum-two-week/heeda-glutathione-glow-serum-two-week-12-kjnxb-900.webp)

I especially liked its light texture and how it felt before makeup. It may be worth considering if you prefer hydration with little stickiness and a natural glow, and I am considering repurchasing it after I finish it.

## Products

- HEEDA Glutathione High-End Glow Serum — HEEDA
- 약 2주, 아침저녁
- 쿠팡 — '희다 세럼' 검색

---

Superchart · https://superchart.com/en/@when-screens-rest/heeda-glutathione-glow-serum-two-week/ · https://superchart.com/llms.txt