Glutathione serum routine for dark spots: HEEDA Glow Serum
In short
HEEDA Glutathione High-End Glow Radiance Serum is a Korean brightening serum presented with glutathione and niacinamide. The original guide recommends applying it morning and night after toner; its light, low-stickiness texture sounds practical, though the reported two-week result lacks detailed test conditions.
Good to know
- Product
- HEEDA Glutathione High-End Glow Radiance Serum
- Ingredients presented in the original post
- Glutathione and niacinamide
- Recommended order
- After cleansing, smooth skin with toner, then spread over the face
- Recommended frequency
- Twice daily, morning and night
- Daytime guidance
- Use with sunscreen
- Test result presented in the original post
- After two weeks, dark spots and pigmentation beneath the skin decreased by 5.93%
Prices as written by the tester on Dec 22, 2025 · not updated automatically
What ingredients are presented in this glutathione serum?
The original post introduces glutathione and niacinamide as the ingredient combination in HEEDA Serum. It describes glutathione as a brightening-care ingredient and niacinamide as a vitamin B3 derivative.
What are the texture and feel like?
The original post presents this product as having a fresh water-glow texture. It says it absorbs lightly on application and tends to feel less sticky, mentioning use before morning makeup or alongside a multi-step skincare routine.
How do you use it morning and night?
The guidance says to cleanse, smooth the skin with toner, then spread an appropriate amount evenly over the entire face. The original post recommends patting on an additional layer over areas of pigmentation concern and using it consistently twice a day, morning and night.
For daytime use, it also suggests applying sunscreen. In winter, it adds that you can finish with a moisturizing cream after the serum.
How were changes after two weeks presented?
The original post cites a product test result stating that dark spots and pigmentation beneath the skin decreased by 5.93% after two weeks of use. However, it does not provide detailed test conditions or individual-use results for this figure.
What skin concerns is it intended for?
The original post mentions it for concerns including pigmentation after sun exposure, uneven skin tone, dark spots and melasma, and a lack of radiance. Before using it, it is best to consider your own skin condition and the products you use alongside it.
Where to buy
- Tested
- 2주, 아침저녁
