o hui

Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++

O Hui - Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++

Product overview

Brand: O Hui
Product Name: Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++
Korean Product Name: 데이쉴드 나이아신아마이드 5% 톤업선 SPF50+/PA++++
UV Protection: SPF50+/PA++++
Water Resistance: Not water resistant
Capacity: 30ml, 50ml
Formulated by: LG Household & Health Care
Manufactured by: LG Household & Health Care
Distributed by: LG Household & Health Care
Country of Manufacture: South Korea
Functional Cosmetic Certifications: Whitening Functional Cosmetic, UV-Protecting Functional Cosmetic
Original Retail Price: 34,000 KRW (30ml), 48,000 KRW (50ml)
Date of Release: February 2025
Shelf life: 3 years before opening. 12 months after opening.

Ingredients

Sunscreen type: Hybrid (organic and inorganic UV filters)
UV filters: Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Ethylhexyl Methoxycinnamate, Ethylhexyl Salicylate, Phenylbenzimidazole Sulfonic Acid, Polyurethane-15, Titanium Dioxide.
Notable allergens: Alcohol, Essential Oils, Fragrance, Niacinamide.

Water, Niacinamide (5%), Dimethicone, Ethylhexyl Methoxycinnamate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Diisopropyl Sebacate, Ethylhexyl Salicylate, C12-15 Alkyl Benzoate, Titanium Dioxide (CI 77891), Phenylbenzimidazole Sulfonic Acid, Polyglyceryl-3 Methylglucose Distearate, Propanediol, Tranexamic Acid, Titanium Dioxide, 1,2-Hexanediol, Panthenol, Tromethamine, Potassium Cetyl Phosphate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Polyamide-8, Alcohol Denat., Palmitic Acid, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Aluminum Stearate, Polyurethane-15, Polyacrylate Crosspolymer-6, Polyhydroxystearic Acid, Stearic Acid, Sodium Stearoyl Glutamate, Xanthan Gum, Fragrance, Glycerin, Allantoin, Alumina, Stearyl Glycyrrhetinate, Aluminum Hydroxide, Polysilicone-11, Iron Oxide Yellow, Butylene Glycol, Iron Oxide Red, Myristica Fragrans (Nutmeg) Extract, Trisodium EDTA, Isopropyl Titanium Triisostearate, Palmitoyl Proline, Moringa Oleifera Seed Oil, Myristic Acid, Dimethicone/Vinyl Dimethicone Crosspolymer, Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate, Pentylene Glycol, Magnesium Palmitoyl Glutamate, Sodium Palmitoyl Sarcosinate, Amodimethicone, Carbomer, Disodium EDTA, Sodium Hydroxide, Triethoxycaprylylsilane, Ethylhexylglycerin, Caprylyl Glycol, Chrysin, Decyl Glucoside, Hydroxycitronellal, Limonene

정제수, 나이아신아마이드 (5%), 다이메티콘, 에칠헥실메톡시신나메이트, 디에칠아미노하이드록시벤조일헥실벤조에이트, 다이아이소프로필세바케이트, 에칠헥실살리실레이트, C12-15알킬벤조에이트, 티타늄디옥사이드 (CI 77891), 페닐벤즈이미다졸설포닉애씨드, 폴리글리세릴-3메틸글루코오스다이스테아레이트, 프로판다이올, 트라넥사믹애씨드, 티타늄디옥사이드, 1,2-헥산다이올, 판테놀, 트로메타민, 포타슘세틸포스페이트, 비스-에칠헥실옥시페놀메톡시페닐트리아진, 폴리아마이드-8, 변성알코올, 팔미틱애씨드, 비닐다이메티콘/메티콘실세스퀴옥세인크로스폴리머, 알루미늄스테아레이트, 폴리우레탄-15, 폴리아크릴레이트크로스폴리머-6, 폴리하이드록시스테아릭애씨드, 스테아릭애씨드, 소듐스테아로일글루타메이트, 잔탄검, 향료, 글리세린, 알란토인, 알루미나, 스테아릴글리시레티네이트, 알루미늄하이드록사이드, 폴리실리콘-11, 황색산화철, 부틸렌글라이콜, 적색산화철, 육두구추출물, 트라이소듐이디티에이, 아이소프로필티타늄트라이아이소스테아레이트, 팔미토일프롤린, 드럼스틱씨오일, 미리스틱애씨드, 다이메티콘/비닐다이메티콘크로스폴리머, 펜타에리스리틸테트라-다이-T-부틸하이드록시하이드로신나메이트, 펜틸렌글라이콜, 마그네슘팔미토일글루타메이트, 소듐팔미토일사코시네이트, 아모다이메티콘, 카보머, 다이소듐이디티에이, 소듐하이드록사이드, 트라이에톡시카프릴릴실레인, 에틸헥실글리세린, 카프릴릴글라이콜, 크리신, 데실글루코사이드, 하이드록시시트로넬알, 리모넨

Product description

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is a tone-up sunscreen formulated with niacinamide to help reduce hyperpigmentation, including melasma.

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is a tone-up sunscreen designed to offer an intensive treatment for hyperpigmentation by protecting the skin from UV rays, delivering a natural tone-up effect, and helping to reduce the appearance of melasma around the eyes and cheeks, all in a single step.

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++”:

  • Certified as a functional UV-protecting and whitening [t/n brightening] functional cosmetic.

Naturally brighter skin tone, visibly reduced hyperpigmentation

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” naturally brightens skin tone while reducing the appearance of hyperpigmentation, melasma and blemishes.

Are you relying on coverage alone to conceal melasma and blemishes? What you need now is a tone-up sunscreen formulated with 5% niacinamide that helps reduce hyperpigmentation and melasma beneath the surface.

Point 1: Key ingredients

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is a tone-up sunscreen formulated with 5% Niacinamide and Pigment Repair Brightening Complex.

Key Ingredient 01: 5% Niacinamide (skin-whitening functional ingredient certified by the MFDS)

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is formulated with Vitamin B3 (Niacinamide), an effective skin-whitening [t/n skin-brightening] ingredient, to help reduce the appearance of melasma while leaving the skin brighter and more radiant.

Key Ingredient 02: 2% tranexamic acid

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is formulated with tranexamic acid, an ingredient known for its soothing and brightening benefits.

Visible results in just 2 weeks

After just 2 weeks of use, O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” has been shown to reduce the appearance of melasma in areas most prone to pigmentation1.

  • The sunscreen has been shown to reduce subsurface pigmentation around the eyes by 6.28%.
  • The sunscreen has been shown to reduce subsurface pigmentation on the cheeks by 5.82%.
  • The sunscreen has been shown to reduce surface pigmentation on the cheeks by 2.57%.

[1] Evaluation conducted after 2 weeks of use.
Tests conducted by: Ellead Co., Ltd.
Dates: 4—20 December 2024.
Participants: 34 women aged 30—60.

Point 2: Seamless make-up application with comfortable wear

Real users have confirmed that O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” helps make-up adhere better, while remaining comfortable on the skin2.

  • 97% of users agreed that, when worn, the sunscreen adhered seamlessly to the skin with a dewy finish, helping make-up look more natural.
  • 94% of users reported that the sunscreen felt light and smooth during use.
  • 97% of users found that the sunscreen caused little to no skin irritation during use.
  • 85% of users felt that the sunscreen made their skin look brighter and more radiant after use.

[2] Survey conducted by: Ellead Co., Ltd.
Dates: 4—20 December 2024.
Participants: 34 women aged 30—60.

Point 3: Hydrating texture for naturally radiant skin

Think tone-up sunscreens feel thick and heavy? Think again.

O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” boasts a hydrating texture that glides effortlessly onto the skin, creating a naturally luminous complexion with a radiant glow.

Q&A: Things to know before use

Q: Is this a chemical or mineral sunscreen?
A: O Hui’s “Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++” is a hybrid sunscreen that offers SPF50+/PA++++ protection by combining chemical and mineral UV filters in an optimised UV protection system designed to effectively shield the skin from both UVB and UVA rays.

Q: At what step in my routine should I apply it?
A: Use it as the final step of your skincare routine, just like any other sunscreen.

Q: Can it be removed with just water?
A: To ensure the complete removal of all UV-filtering ingredients, it’s best to double cleanse.

Powerful UV protection, comfortable on the skin — discover O Hui’s “Day Shield” line

O Hui’s “Day Shield” line offers targeted sun care solutions for every skin concern:

O Hui - Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++

Directions

After completing your regular morning skincare routine, dispense the desired amount of product and spread it evenly across the skin. For the areas of your face that are more prone to UV exposure, such as the forehead, nose, and cheekbones, it is recommended to apply a slightly thicker layer.

Precautions

  1. General precautions:
    • Immediately consult a dermatologist if symptoms such as red blotches, swelling and/or itchiness appear while using the product, or in case such symptoms appear when the skin is exposed to direct sunlight after use.
    • Do not use the product on open wounds.
    • Storage and handling precautions:
      • Keep out of the reach of children.
      • Keep away from direct sunlight.
  2. Be careful to avoid the product going into your eyes. In case of contact with eyes, rinse immediately with clean water.
  3. Use only for the intended purpose.
  4. Do not mix with substances other than cosmetics.

Other editions and formulations

Previous formulations:

  • n/a

Special editions:

  • Day Shield Niacinamide 5% Tone Up Sun SPF50+/PA++++ Special Set [limited edition 50ml + 30ml set, launched: March 2026]

Shop this product

International retailers:

South Korean retailers:

Make sure to check out the Discount & Coupons page to access exclusive offers for major Korean skincare retailers.

Review

n/a

Source: O Hui official website and official product packaging
Translation: © 2026 Odile Monod. You may not reproduce the above translation for commercial purposes without the express written consent of the translator.

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Odile Monod is a Korea-based art director with an extensive background in the beauty industry, having worked for internationally renowned conglomerates across Europe and Asia. Her long-standing passion for Korean beauty led her to create The Monodist, a platform where she shares her expertise and industry knowledge with those who want to better understand and navigate the complex world of K-Beauty.

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