Editorial update: October 6, 2026. Purito Seoul’s TXA 6 Niacinamide 10 Retinal Serum is currently listed by the brand as both “New” and “Best” in its international catalogue. Its official English product page confirms a 30 mL size, a Korean manufacturer and a formula centered on 6% tranexamic acid and 10% niacinamide.
Its appeal is easy to understand: one bottle combines tranexamic acid, niacinamide and retinal, three ingredients frequently associated with brighter-looking, more even skin. But the formula deserves a closer reading. The headline percentages refer mainly to tranexamic acid and niacinamide; the retinal appears at a much lower disclosed concentration.
Quick verdict
Best for: Normal, combination and oily skin seeking a lightweight serum for dullness or uneven-looking tone.
Standout feature: A clearly disclosed 6% tranexamic acid and 10% niacinamide formula without synthetic fragrance.
Main caution: The product name may make the retinal sound more prominent than it is. Purito’s current English ingredient list states 25 ppm retinal, while its Korean ingredient list states 23 ppm. Either figure is approximately 0.0023–0.0025%, so retinal plays a supporting role rather than defining this as a high-strength retinal treatment.
Bottom line: A thoughtful brightening serum with a low-level retinal supporting role—not a high-strength retinal treatment.
What is the Purito TXA 6 Niacinamide 10 Retinal Serum?
The Purito TXA 6 Niacinamide 10 Retinal Serum is a 30 ml Korean facial serum designed around tone-correcting and brightening care. Purito identifies the key combination as 6% tranexamic acid, 10% niacinamide and retinal. The product is manufactured in Korea by Kolmar Korea for HINATURE, the responsible cosmetic retailer listed on the Korean product page.
Purito describes the formula as a “triple active” serum and promotes it for the appearance of dark spots, dullness and uneven tone. Those are brand positioning statements rather than a guarantee of results. The formula does, however, disclose substantial amounts of two familiar cosmetic actives: niacinamide and tranexamic acid.
The serum is also presented as fragrance-free and free from essential oils. That can be useful for shoppers who prefer to avoid added scent, although fragrance-free does not mean irritation-proof. Any active formula can still feel uncomfortable on compromised or highly reactive skin.
Why this new Korean serum is receiving attention
Purito Seoul has an established international catalogue and currently labels this serum as both a new arrival and a best seller. More useful than the badge is the amount of official documentation: Purito publishes the full ingredient list, 30 mL size, Korean manufacturer, directions and safety cautions in English and Korean.
The concept also fits current K-beauty demand for a lightweight serum that combines tone care with an active-ingredient story. Still, a catalogue label or wide availability is not independent proof that the product will fade every mark or suit every skin type. This review therefore separates Purito’s claims from what the disclosed formula can reasonably support.
Key ingredients and what each does
Tranexamic acid 6%
Tranexamic acid is a synthetic ingredient used in cosmetic formulas aimed at the appearance of uneven tone and discoloration. In topical skincare, it is generally valued as a pigment-focused support ingredient that can complement sunscreen and other brightening ingredients.
At 6%, it is the formula’s most distinctive disclosed active. That is a meaningful concentration for a cosmetic serum, but concentration alone does not predict results. Skin type, consistency, sun exposure, the age of the mark and the rest of the routine all matter.
Niacinamide 10%
Niacinamide is a form of vitamin B3 used in skincare for several purposes, including supporting the skin barrier, helping reduce the look of uneven tone and improving the feel of rough texture. Purito lists it as the second ingredient after water and identifies the concentration as 10%.
Ten percent is a high-strength positioning commonly seen in brightening serums. Some people tolerate it comfortably, while others may notice warmth, tingling or redness, especially when combining it with several other active products.
Retinal at 23–25 ppm
Retinal, also called retinaldehyde, is a vitamin A derivative. It is included in the formula and appears in the ingredient list after several supporting ingredients. Purito’s English page currently lists retinal at 25 ppm, while the official Korean page lists 23 ppm. That small discrepancy equals roughly 0.0023–0.0025%, and shoppers should check the ingredient list on their own package.
This is important context. The word “retinal” in the product name is accurate, but the formula should not be treated as equivalent to a serum containing 0.05% or 0.1% retinal. The disclosed amount suggests that retinal is a supporting active rather than the principal treatment focus.
Purito also refers to an “11× faster” retinal comparison based on an in-vitro study involving human keratinocytes and retinoid metabolism. That type of laboratory comparison should not be read as an 11-times-faster visible result on human skin. The brand does not present that figure as a direct consumer outcome, and shoppers should keep the distinction clear.
Glycerin and glycols
Glycerin, methylpropanediol, pentylene glycol and butylene glycol help the serum attract and hold water while improving spreadability. These ingredients are common humectants and solvents that help give a formula a smoother, more comfortable application.
Caprylic/capric triglyceride
Caprylic/capric triglyceride is a lightweight emollient. It can soften the skin’s surface and reduce the dry, tight feel that some active serums create. Its presence helps keep the formula from feeling like a purely watery treatment.
Idebenone, adenosine and glutathione
The ingredient list also includes hydroxydecyl ubiquinone, the INCI name for idebenone, plus adenosine and glutathione. These are included as supporting antioxidant or conditioning ingredients. Their presence adds formulation interest, but the product’s main brightening story still rests on tranexamic acid and niacinamide.
Centella asiatica, ceramide NP, bisabolol and allantoin
Centella asiatica, ceramide NP, bisabolol and allantoin are familiar skin-conditioning ingredients. They may help make the formula feel more balanced, particularly alongside active ingredients. However, this is not a rich barrier cream: the serum contains only a small amount of ceramide NP according to the listed ingredient order.
Texture and finish
Purito describes the texture as fresh and lightweight, with capsules that spread smoothly during application. The formula contains gellan gum and agar, which help create a lightly gelled serum texture rather than a completely watery essence.
Expect a fluid gel-serum that spreads easily and leaves a hydrated, softly luminous finish. It should layer comfortably under moisturizer and sunscreen for many users. The finish may feel more nourishing than a water-thin ampoule because the formula includes caprylic/capric triglyceride and other emollient components.
There is no added synthetic fragrance, but Purito notes that the raw materials may have a noticeable natural scent. That is different from a fragranced product, but scent-sensitive shoppers should still be aware of it.
Who is it best for?
Good fit: combination and oily skin
The serum is a reasonable option for combination or oily skin that wants a targeted brightening step without a heavy cream texture. The humectant-rich base can provide light hydration, while the emollient content helps prevent an overly stripped feeling.
Good fit: normal skin with uneven-looking tone
Normal skin may appreciate the formula’s multi-active approach if the rest of the routine is simple. It can function as the main treatment serum rather than being layered with several separate brightening products.
Possible fit: dry skin
Dry skin can use the serum, but it will probably need a moisturizer over it. The product offers some humectant and emollient support, yet it is not designed to replace a cream or balm.
Use caution: sensitive or easily irritated skin
Purito positions the formula as suitable for all skin types, but individual tolerance is more important than a universal suitability claim. Ten percent niacinamide, tranexamic acid and retinal may be too active for some people when introduced all at once. Patch testing and slow introduction are sensible.
Poor fit: shoppers wanting a strong retinal treatment
If your main goal is a clearly dosed retinal product for a retinoid-focused routine, this may not be the best choice. The disclosed 23–25 ppm retinal level is very low compared with dedicated retinal serums that publish substantially higher percentages.
How to use it
Purito instructs users to shake the bottle three to five times before application so the formula’s capsules disperse. Apply it after cleansing and toner, then follow with moisturizer. In the morning, finish with broad-spectrum sunscreen.
Although the brand’s international directions do not specify a gradual retinoid schedule, cautious users may begin two or three nights per week. If the skin remains comfortable, usage can be increased according to tolerance. Avoid applying it to broken, wounded or visibly irritated skin.
Do not introduce it on the same night as several other potentially irritating actives. For example, combining a retinal-containing product with exfoliating acids, strong vitamin C or another retinoid can make it harder to identify the cause of discomfort.
Purito’s Korean product information advises people who are pregnant or breastfeeding to consult a doctor before use. Anyone with a history of sensitivity to active skincare should also seek professional advice where appropriate.
Strengths
- Clearly disclosed 6% tranexamic acid and 10% niacinamide.
- Includes retinal, but at a low disclosed concentration.
- Fragrance-free and essential-oil-free positioning.
- Lightweight serum texture with a softly hydrated finish.
- Complete ingredient list and official English and Korean product pages.
- Available through several global retail channels.
Limitations
- The official pages list only 23–25 ppm retinal, so the product should not be mistaken for a high-strength retinal serum.
- Ten percent niacinamide may not suit every sensitive skin type.
- Brand references to laboratory speed cannot predict an equivalent visible result on human skin.
- It is a serum, not a complete moisturizer or sunscreen step.
- There is limited independent long-term evidence specific to this finished product.
Buyer checklist
- Check that the product name reads exactly “TXA 6 Niacinamide 10 Retinal Serum.”
- Buy from Purito’s official store or a retailer linked or recognized by the brand when possible.
- Confirm that the packaging and ingredient list match the current official listing.
- Do not purchase it expecting the performance of a 0.1% retinal serum.
- Introduce it slowly if you are new to niacinamide, tranexamic acid or retinal.
- Use sunscreen consistently, especially when your routine includes a vitamin A derivative.
Alternatives and comparisons
| Product | Best for | How it differs |
|---|---|---|
| Purito TXA 6 Niacinamide 10 Retinal Serum | Multi-active tone care | Combines 6% tranexamic acid, 10% niacinamide and a low 23–25 ppm retinal level in one lightweight serum. |
| Anua Niacinamide 10% + TXA 4% Serum | Brightening without retinal | Uses niacinamide and tranexamic acid as the central pair, making it a simpler alternative for shoppers avoiding vitamin A derivatives. |
| Beauty of Joseon Glow Deep Serum | Gentler-feeling daily brightening | Focuses on rice-based hydration and alpha-arbutin rather than a high-niacinamide, retinal-containing formula. |
| A dedicated higher-strength retinal serum | Retinal as the main treatment step | Usually offers a substantially higher disclosed retinal concentration, but may require more careful introduction and barrier support. |
Transparent editorial note
Updated October 6, 2026. This assessment is based on Purito Seoul’s official English product information and official Korean listing, including the published ingredient lists and directions. Brand descriptions are identified as brand claims. Ingredient functions are discussed at a general cosmetic-formulation level, not as medical advice.
No independent wear test, laboratory assay or personal-use trial was conducted for this article. The retinal percentage range is calculated from the 23 ppm and 25 ppm values shown on Purito’s current Korean and English ingredient lists. Individual results will vary, and the appearance of persistent pigmentation or other skin concerns may require advice from a qualified healthcare professional.
Final take: The Purito TXA 6 Niacinamide 10 Retinal Serum is most compelling as a tranexamic-acid-and-niacinamide brightening serum with a small retinal addition. For shoppers who want a lightweight Korean formula and understand that distinction, it is a credible new release to watch. For those specifically seeking a strong retinal treatment, a more transparently high-dose retinal product will be a better comparison.