Beauty of Joseon Daily Tinted Fluid Sunscreen SPF 40 Versus Numbuzin No.2 Goodbye Redness Derma Tone Up SPF 50+

Beauty of Joseon Daily Tinted Fluid Sunscreen SPF 40 Versus Numbuzin No.2 Goodbye Redness Derma Tone Up SPF 50+

This hybrid sunscreen covers the full UV range and blocks ~98% of UVB at SPF 40.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Zinc Oxide

Water

Butyloctyl Salicylate

Isopropyl Myristate

Coco-Caprylate/Caprate

Caprylic/Capric Triglyceride

Neopentyl Glycol Diheptanoate

CI 77492

Ethylhexyl Isononanoate

Alcohol Denat.

Polyglyceryl-3 Polyricinoleate

Butylene Glycol

C12-15 Alkyl Benzoate

Propanediol

Silica

Methyl Methacrylate Crosspolymer

CI 77491

Stearic Acid

Polyglyceryl-6 Polyhydroxystearate

Hydrogenated Olive Oil Unsaponifiables

Artemisia Capillaris Extract

Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate

Stearalkonium Hectorite

Undecane

1,2-Hexanediol

Polyglyceryl-6 Polyricinoleate

Hydroxyacetophenone

Tridecane

Isopropyl Titanium Triisostearate

Polyglycerin-6

Tocopherol

Ascorbyl Palmitate

CI 77499

Zinc Oxide, Water, Butyloctyl Salicylate, Isopropyl Myristate, Coco-Caprylate/Caprate, Caprylic/Capric Triglyceride, Neopentyl Glycol Diheptanoate, CI 77492, Ethylhexyl Isononanoate, Alcohol Denat., Polyglyceryl-3 Polyricinoleate, Butylene Glycol, C12-15 Alkyl Benzoate, Propanediol, Silica, Methyl Methacrylate Crosspolymer, CI 77491, Stearic Acid, Polyglyceryl-6 Polyhydroxystearate, Hydrogenated Olive Oil Unsaponifiables, Artemisia Capillaris Extract, Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate, Stearalkonium Hectorite, Undecane, 1,2-Hexanediol, Polyglyceryl-6 Polyricinoleate, Hydroxyacetophenone, Tridecane, Isopropyl Titanium Triisostearate, Polyglycerin-6, Tocopherol, Ascorbyl Palmitate, CI 77499

Cyclopentasiloxane

CI 77891

Ethylhexyl Methoxycinnamate

Dimethicone

Ethylhexyl Salicylate

Glycerin

Trimethylsiloxysilicate

Caprylyl Methicone

PEG-10 Dimethicone

Polyphenylsilsesquioxane

Dicaprylyl Carbonate

Pentylene Glycol

Fusidium Coccineum Ferment Filtrate

Candida Bombicola/Glucose/Methyl Rapeseedate Ferment

Centella Asiatica Extract

Melaleuca Alternifolia Leaf Extract

Morinda Citrifolia Extract

Helianthus Annuus Seed Oil

Centella Asiatica Leaf Extract

Houttuynia Cordata Extract

Dipropylene Glycol

Asiaticoside

Asiatic Acid

Madecassic Acid

Madecassoside

Chlorella Vulgaris Extract

Disteardimonium Hectorite

Polybutene

Polyhydroxystearic Acid

Acrylates/Dimethicone Copolymer

Dimethicone/Vinyl Dimethicone Crosspolymer

Tribehenin

Caprylic/Capric/Myristic/Stearic Triglyceride

Glyceryl Tribehenate/Isostearate/Eicosandioate

Magnesium Sulfate

Aluminum Hydroxide

Hydrogenated Coco-Glycerides

Glucose

Ethylcellulose

Fructooligosaccharides

Fructose

Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer

Triethoxycaprylylsilane

Ethylhexylglycerin

Trisodium Ethylenediamine Disuccinate

Hydrogenated Castor Oil Isostearate

Polyvinyl Alcohol

Mica

CI 77288

Cetyl PEG/PPG-10/1 Dimethicone

Water, Cyclopentasiloxane, CI 77891, Ethylhexyl Methoxycinnamate, Dimethicone, Zinc Oxide, Ethylhexyl Salicylate, Glycerin, Trimethylsiloxysilicate, Caprylyl Methicone, PEG-10 Dimethicone, Butylene Glycol, Polyphenylsilsesquioxane, Dicaprylyl Carbonate, Pentylene Glycol, 1,2-Hexanediol, Fusidium Coccineum Ferment Filtrate, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Centella Asiatica Extract, Artemisia Capillaris Extract, Melaleuca Alternifolia Leaf Extract, Morinda Citrifolia Extract, Helianthus Annuus Seed Oil, Centella Asiatica Leaf Extract, Houttuynia Cordata Extract, Dipropylene Glycol, Asiaticoside, Asiatic Acid, Madecassic Acid, Madecassoside, Tocopherol, Chlorella Vulgaris Extract, Disteardimonium Hectorite, Polybutene, Polyhydroxystearic Acid, Acrylates/Dimethicone Copolymer, Dimethicone/Vinyl Dimethicone Crosspolymer, Tribehenin, Caprylic/Capric/Myristic/Stearic Triglyceride, Glyceryl Tribehenate/Isostearate/Eicosandioate, Magnesium Sulfate, Aluminum Hydroxide, Hydrogenated Coco-Glycerides, Stearic Acid, Glucose, Ethylcellulose, Fructooligosaccharides, Fructose, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Triethoxycaprylylsilane, Ethylhexylglycerin, Trisodium Ethylenediamine Disuccinate, Hydrogenated Castor Oil Isostearate, Propanediol, Polyvinyl Alcohol, Mica, CI 77491, CI 77288, CI 77492, CI 77499, Cetyl PEG/PPG-10/1 Dimethicone

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Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.

It is a:

Humectant, drawing moisture into the skin

Emollient, helping to soften skin

Solvent, dispersing and stabilizing formulas

Preservative booster, enhancing the antimicrobial activity of other preservatives

This flowering plant is more commonly known as Capillary wormwood.

According to a manufacturer, the flowers of this plant are used for their anti-inflammation and moisturizing properties.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Ci 77491 is also hydrated iron III oxide. It's sole purpose is to give a red/pink hue to products.

Iron III oxides are classified as inorganic chemicals for coloring.

Synthetically created Ci 77491 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

CI 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.

Synthetically created CI 77492 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

Ci 77499 is also hydrated iron III oxide. It is created from mixing red and black iron oxides. This helps give shades of darkness to a product.

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

Stearic Acid is a fatty acid that is already found in your skin. It's one of the free fatty acids that works alongside ceramides and cholesterols to maintain your barrier.

In cosmetics, it is a multitasker:

Safety-wise, the CIR Expert Panel has concluded it to be safe in cosmetics when formulated to be non-irritating and non-sensitizing.

Free stearic acid is a C18 fatty acid that the Malassezia yeast can substrate, so this ingredient may not be fungal acne safe.

Tocopherol is a fat-soluble antioxidant known as Vitamin E.

You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.

Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.

It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.

This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.

This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.

In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.

Concentrations usually range from 0.1-1% in most leave-on products.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

Zinc Oxide (ZO) is a mineral broad-spectrum UV filter and the broadest-spectrum filter recognized by the FDA. It covers everything from UVB through to long-wave UVA.

On top of sun protection, it has skin protectant and skin-soothing properties too.

Here's a myth worth busting: mineral filters are usually described as working by "reflecting" or "bouncing" UV off your skin.

That's mostly not true: when researchers actually measured it, ZO and Titanium Dioxide reflect only about 4-5% of UV (less than SPF 2 worth of protection).

The vast majority of the work (~95%) is done by absorption, similar to chemical UV filters. ZO is a semiconductor that absorbs UV photos through its energy band gap.

So the old "physical blocker vs. chemical absorber" framing is really an oversimplification.

Zinc Oxide is one of the most effective broad-spectrum UV filters out there. It protects across UVB, UVA2, and UVA1 with a flat, even absorption curve across the whole UVA-UVB range.

That uniform UVA coverage is its standout feature; titanium dioxide skews more toward UVB as its particle size drops so ZO gives more consistent and extended UVA protection.

It's also very photostable. As an inorganic oxide, ZO doesn't break down in sunlight the way some organic filters can, so it holds up over a day of wear.

This ingredient is gentle and soothing, making it go-to for sunscreens aimed at sensitive skin, rosacea, or ecezma-prone skin, babies, and children.

It's also unlikely to cause the "eye sting" that some sunscreen ingredients are known for, and regulatory agencies broadly consider it non-toxic and safe for topical use.

Beyond sun protection, ZO is also a recognized OTC skin protectant. It forms a breathable barrier that shields skin from moisture and irritation while supporting healing. This is why you'll see it as a classic active in diaper rash creams.

The only downside to ZO is that it can leave a visible white cast, especially on deeper skin tones. This is the main reason mineral sunscreens have historically felt less cosmetically elegant than chemical or hybrid formulas.

Zinc Oxide comes in both non-nano and nano forms. The dividing line is 100nm and anything under is classified as a nanomaterial by the EU.

The nano version scatters less visible light which cuts down white case and gives a lighter, more wearable texture.

Another thing worth understanding about formulation:

Uncoated ZO has some inherent photocatalytic activity. This just means it can generate reactive oxygen species under UV. It's exactly why cosmetic-grade ZO is almost always surface-coated; this coating suppresses that reactivity and improves how the powder disperses and feels.

A well-formulated coated ZO largely sidesteps this issue.

Zinc Oxide is commonly used anywhere from 10% up to the regulatory maximum in sunscreens (25%).

Mineral-only broad-spectrum products often land in the 15-25% range to hit higher SPF and UVA values. Keep in mind SPF performance depends heavily on particle size, dispersion, and the rest of the formula, and not just the percentage.

As an OTC skin protectant like diaper creams, ZO typically runs higher at roughly 10-40%.

This ingredient is generally easy to work with and doesn't photodegrade.

The only thing to know is that uncoated ZO can be a bit reactive in a formula.

Under UV, it can break down sensitive ingredients like other actives or UV filters. This is another reason coated versions are standard. ZO can also react with very acidic ingredients or throw off stability of some creams. A good formula will get around this with the right coatings and dispersion.

The EU's Scientific Committee on Consumer Safety has concluded that ZO nanoparticles "can be considered to not pose any risk of adverse effects in humans after application on healthy, intact or sunburnt skin".

You might hear that ZO is "toxic"; this is because an in-vitro (test tube) study suggested micronized ZO had potential phototoxicity. In vivo (human) investigations have disputed this and the results have come back reassuring.

So does ZO penetrate skin? The short answer is no, not in any way that matters.

The most relevant evidence comes from real-world human studies: in one, volunteers applied ZO nanoparticle sunscreen hourly for six hours and daily for five days. The advanced imaging showed the particles stayed on the surface and never reached the living epidermis, and no cellular toxicity was found.

Other in-vivo and ex-vivo work agree; ZO nanoparticles don't cross the stratum corneum, even on flexed, massaged, or barrier-impaired skin.

A small amount of solubilized zinc ions can dissolve off the particles and enter the upper skin. But the quantities are tiny compared to the zinc already naturally present in your body, and studies haven't found this to cause local toxicity.

The sunscreen bans you've heard of (like Hawaii's) are aimed at two chemical filters, Oxybenzone and Octinoxate. ZO itself it not banned and is often recommended instead.

So far, there's no solid evidence that any form of ZO harms reefs. It is an ongoing and active area of study, and worth keeping an eye on.

If you're traveling somewhere with these rules, a non-nano mineral sunscreen is the safe bet.

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