Missha
SAFE BLOCK RX COVER TONE UP SUN 50ml
SAFE BLOCK RX COVER TONE UP SUN 50ml is Missha's sun care formula, and Niacinamide sits at position 6 of 40 on its own ingredient list, the formula's clearest headline active.
No reviews yet50 ml
$40.00 per 100 ml
- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- NormalCombinationOilySensitive
- Helps with
- Daily sun care stepTone-up finish under makeupOutdoor daily wear
In stock. Arrives in 3 to 7 business days
We accept
You’re $100.00 away from free US shipping.
- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
How it works
Missha is a mainstream Korean drugstore brand with one of the longest-running catalogs in Korean skincare, and SAFE BLOCK RX COVER TONE UP SUN 50ml is formulated as a sun care formula for the Korean market rather than a US-shelf reformulation. Niacinamide is one of the most established multi-tasking actives in Korean formulation, valued for supporting an even, calm-looking tone and a smoother surface texture with continued use. It sits at position 6 of 40 ingredients on this row's own list, ahead of most of the formula's supporting agents. Adenosine is a wrinkle-care ingredient standard across Korean cosmetics, commonly included to support a firmer, smoother-looking surface as part of a daily routine. Further down the list, Ceramide NP appears at position 39 of 40, adding a supporting layer rather than the lead role.
Inside the formula
Inside the formula
How to use
- AM: use it smoothed over the face as the last step before makeup.
- Build coverage in thin layers rather than applying one heavy pass.
- Blend outward toward the hairline and jaw instead of stopping at a hard edge.
What is the SAFE BLOCK RX COVER TONE UP SUN 50ml?
It is Missha's sun care formula. Niacinamide is one of the most established multi-tasking actives in Korean formulation, valued for supporting an even, calm-looking tone and a smoother surface texture with continued use. Apply as the last step of your morning routine, smoothing evenly over the face and any exposed skin fifteen to twenty minutes before heading outdoors.
What does Niacinamide do in the SAFE BLOCK RX COVER TONE UP SUN 50ml?
Niacinamide is one of the most established multi-tasking actives in Korean formulation, valued for supporting an even, calm-looking tone and a smoother surface texture with continued use. It sits at position 6 of 40 on this row's own ingredient list.
Who is the SAFE BLOCK RX COVER TONE UP SUN 50ml suited for?
It suits normal, combination, oily and sensitive skin looking for daily sun care step. Fragrance is on the ingredient list, so anyone avoiding added scent should check the list before buying.
How do I use the SAFE BLOCK RX COVER TONE UP SUN 50ml?
Apply as the last step of your morning routine, smoothing evenly over the face and any exposed skin fifteen to twenty minutes before heading outdoors. Give it a few weeks in that slot before judging the result, since a sun care formula works cumulatively rather than after one use.
Is the SAFE BLOCK RX COVER TONE UP SUN 50ml the authentic Korean-market formula?
Yes. We stock Missha's Korean-market formula rather than a version reformulated for US shelves. What ships is the 50ml unit sold on Korean shelves, with the Korean barcode and batch code intact on the box.
Not on the ingredient list below: denatured or SD alcohol, essential oils, parabens, sulfate surfactants and mineral oil or petrolatum.
Full INCI (39): Water, Titanium Dioxide, Caprylic/Capric Triglyceride, Propanediol, Cyclohexasiloxane, Niacinamide, Acrylates Copolymer, Polyhydroxystearic Acid, 1,2-Hexanediol, Polymethylsilsesquioxane, Pentylene Glycol, Dimethicone/Vinyl Dimethicone Crosspolymer, Dicaprylyl Carbonate, Iron Oxides(Ci 77492), Silica, Alumina, Coco-Caprylate/Caprate, Stearic Acid, Dimethiconol, Trisiloxane, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Polyacrylate Crosspolymer-6, Polyisobutene, Sodium Polyacryloyldimethyl Taurate, Ammonium Acryloyldimethyltaurate/VP Copolymer, Fragrance, Ethylhexylglycerin, Hydroxypropyl Methylcellulose Stearoxy Ether, Triethoxycaprylylsilane, Iron Oxides(Ci 77491), Adenosine, Aluminum Hydroxide, Butylene Glycol, Iron Oxides(Ci 77499), Sorbitan Oleate, Caprylyl/Capryl Glucoside, T-Butyl Alcohol, Ceramide NP, Tocopherol
Ingredient list read from inkeedecoder.com on 10 September 2026.
36 of 39 explained
- Water solvent
- Water is the base almost every serum, toner and cream is built on. It dissolves the water-loving ingredients and sets how light the finished texture feels. On an INCI list it is usually first, which only means it is the largest single ingredient by weight.
- Caprylic/Capric Triglyceride emollient
- Caprylic/Capric Triglyceride is the light fraction of coconut oil, with the heavy parts removed. It is the workhorse emollient of modern formulas: it softens skin, dissolves oil-soluble actives and absorbs without the greasy weight of a whole plant oil.
- Propanediol humectant
- Propanediol is a plant-derived glycol used in place of propylene glycol. It hydrates, carries actives into solution, and gives a lighter, less sticky slip than glycerin at the same strength.
- Cyclohexasiloxane silicone
- Cyclohexasiloxane is a volatile silicone used for a light, fast-spreading feel that leaves nothing behind.
- Niacinamide active
- Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is used at roughly 2 to 5 percent for the look of uneven tone and visible pores, and it is water soluble, stable and comfortable beside almost every other active, which is why it turns up in so many lists.
- Acrylates Copolymer film former
- Acrylates Copolymer is a synthetic polymer that forms a film as the water leaves. It holds a formula in place, controls shine and helps a texture stay put.
- Polyhydroxystearic Acid dispersant
- A polymer of hydroxystearic acid whose whole job is keeping mineral powders and pigments evenly suspended in oil instead of settling or streaking.
- 1,2-Hexanediol humectant
- 1,2-Hexanediol is a glycol used for two reasons: it holds water like glycerin, and it makes a formula harder for microbes to live in, so less traditional preservative is needed. Korean formulas use it heavily for that second reason.
- Polymethylsilsesquioxane silicone
- Polymethylsilsesquioxane is a silicone resin in fine sphere form. It soft-focuses the look of pores and lines and gives a smooth, powdery finish.
- Pentylene Glycol humectant
- Pentylene Glycol hydrates and, like the other longer-chain glycols, makes a formula less hospitable to microbes so the preservative system can be lighter. It also improves how evenly a product spreads.
- Dimethicone/Vinyl Dimethicone Crosspolymer silicone
- This is a silicone elastomer, a soft springy gel. It fills the look of fine texture and gives the velvety, blurred finish of a primer.
- Dicaprylyl Carbonate emollient
- Dicaprylyl Carbonate is a light, fast-spreading emollient with a notably dry finish. It is chosen where a formula has to spread thin without leaving a heavy film.
24 more explained
- Iron Oxides(Ci 77492) colorant
- Iron Oxides are mineral pigments in red, yellow and black, and the three are blended to make every skin-tone shade in a tinted product. They are inert and sit on the surface.
- Silica absorbent
- Silica is finely milled mineral, essentially very pure sand. It absorbs oil, stops powders clumping and soft-focuses the look of pores and fine lines.
- Alumina absorbent
- Alumina is aluminium oxide, a hard white mineral powder. It is used to coat pigments so they disperse evenly and, ground fine, as a mild polishing grain.
- Coco-Caprylate/Caprate emollient
- Coco-Caprylate/Caprate is a coconut-derived ester used as a light, dry emollient in place of silicone. It spreads far and leaves a soft finish.
- Stearic Acid fatty acid
- Stearic Acid is a saturated fatty acid from plant fats, and one of the three lipid classes skin's own barrier is built from. In a formula it thickens, stabilises the emulsion and can be turned into a soap-style cleanser by adding a base.
- Dimethiconol silicone
- Dimethiconol is a high-molecular-weight silicone that leaves a longer-lasting smooth film than dimethicone. It is used for lasting slip and shine.
- Trisiloxane silicone
- Trisiloxane is a very short silicone chain, so it is thin and volatile. It spreads a formula quickly and leaves almost nothing behind.
- Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer thickener
- This is a pre-neutralised polymer thickener that gels on contact with water and stabilises an emulsion without heat.
- Polyacrylate Crosspolymer-6 thickener
- Polyacrylate Crosspolymer-6 is a thickener chosen for a notably fresh, bouncy gel feel that breaks down to water on the skin.
- Polyisobutene film former
- Polyisobutene is a synthetic polymer that forms a flexible, water-resistant film. It gives gloss and holds a formula in place, which is why it appears in lip products and long-wear textures.
- Sodium Polyacryloyldimethyl Taurate thickener
- Sodium Polyacryloyldimethyl Taurate is a polymer thickener that holds a gel stable even with a lot of salt or acid in the formula.
- Ammonium Acryloyldimethyltaurate/VP Copolymer thickener
- This is a synthetic thickener that gels quickly and holds an emulsion stable across a wide pH range. It gives a light, non-tacky body.
- Fragrance fragrance
- Fragrance, or Parfum, is a single declaration standing for a whole scent blend, which can be dozens of materials. Regulators allow it as a trade secret, so a list showing only this word does not say what the scent is made of. It is the most common trigger named by people with reactive skin.
- Ethylhexylglycerin preservative booster
- Ethylhexylglycerin softens skin and boosts a preservative system, which is why it is nearly always sitting beside phenoxyethanol or 1,2-hexanediol. It also cuts down the odour bacteria produce, so it turns up in deodorising products.
- Hydroxypropyl Methylcellulose Stearoxy Ether thickener
- Modified cellulose with a fatty stearyl chain added, so it thickens and emulsifies at once. It gives a cushioned, slightly bouncy gel texture.
- Triethoxycaprylylsilane silicone
- Triethoxycaprylylsilane is a coating applied to mineral powders so they disperse evenly and resist water rather than clumping.
- Adenosine active
- Adenosine is a nucleoside that Korea's own cosmetic authority recognises as a wrinkle-care functional ingredient, which is why it appears on so many Korean lists at a low level. It is used for the look of fine lines and is stable and well tolerated.
- Aluminum Hydroxide absorbent
- Aluminum Hydroxide is a mineral powder used to coat pigments so they disperse evenly, and to absorb a little oil. It is not an antiperspirant salt.
- Butylene Glycol humectant
- Butylene Glycol is a small glycol that does two jobs at once: it holds water in the top layer of skin and it dissolves plant extracts and actives that plain water cannot. It also thins a formula, which is why watery Korean essences lean on it.
- Sorbitan Oleate emulsifier
- Sorbitan Oleate is an emulsifier for water-in-oil formulas. It keeps a rich cream or a cleansing oil from separating.
- Caprylyl/Capryl Glucoside surfactant
- Caprylyl/Capryl Glucoside is a sugar-derived cleansing surfactant. It foams modestly and is mild enough for low-pH cleansers built for reactive skin.
- T-Butyl Alcohol solvent
- t-Butyl Alcohol is the bittering agent added to cosmetic ethanol so it cannot be drunk. It appears in tiny amounts alongside alcohol denat. and does no formulation work of its own.
- Ceramide NP barrier lipid
- Ceramide NP is the most used cosmetic ceramide, the same class of lipid that makes up roughly half the mortar between cells in the outer layer of skin. Added to a cream it slots into that structure, which is why ceramide formulas feel less leaky rather than merely greasy.
- Tocopherol antioxidant
- Tocopherol is vitamin E. It is an oil-soluble antioxidant that protects the oils in a formula from going rancid and works on skin as an emollient, and it is regularly paired with vitamin C because each keeps the other going for longer.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809643523486
- Made in
- Republic of Korea
- Volume
- 50 ml
- Category
- Sun Care
- Actives
- Adenosine, Ceramide NP, Niacinamide
- Ships from
- California or Korea
Orders ship from California or direct from Korea with tracked delivery to your door, and both routes carry the same Korean-market release. Shipping is free on orders of $100 or more. Returns are accepted for 30 days, by mail.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Barcode
Listed against the Korean barcode on its box - 3California or Korea
Ships to you from either, as the same Korean-market release
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name. The barcode in the specification above is the Korean-market one and it is printed on the box you receive.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Every order ships from California or direct from Korea, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
Key benefits
- Niacinamide appears at position 6 of 40 on the ingredient list, ahead of most of the formula's supporting agents.
- Adenosine closes out the back half of the list at position 32 of 40, a supporting rather than lead role.
- Ceramide NP closes out the back half of the list at position 39 of 40, a supporting rather than lead role.
- Tocopherol closes out the back half of the list at position 40 of 40, a supporting rather than lead role.
- Fragrance is listed, so this is a scented rather than fragrance-free formula.
- Comes sized at 50ml, the Korean-market fill rather than a US-repackaged size.
Worth knowing
- Fragrance is on the ingredient list, so anyone avoiding added scent should check the list before buying.
- Patch test on a small area first if you are new to this formula or to the brand.
Complete the routine
- This itemMissha SAFE BLOCK RX COVER TONE UP SUN 50ml$20.00
- From the same Korean-market lineMissha M Perfect Cover BB Cream #27 Honey Beige$15.29
- Seal the routine in as the last stepMISSHA CHOGONGJIN SOSAENG JIN EMULSION 120ml$60.00
Total for 3 items$95.29
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MISSHA SAFE BLOCK RX COVER TONE UP SUN 50ml
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Missha, Korean-market original
SAFE BLOCK RX COVER TONE UP SUN 50ml, 50ml, Niacinamide at position 6 of 40.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about skin care, quoted from the medical sources linked beside each.
Your skin barrier is basically your outer layer of the skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic Pretty much every step of a Korean skin care routine is going to have some component of hydration.
Alok Vij, MDDermatologist, Cleveland Clinic
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