Some By Mi Yuja Niacin Dark Spot Correcting Stick Versus Paula's Choice Clinical Niacinamide 20% Treatment

Some By Mi Yuja Niacin Dark Spot Correcting Stick Versus Paula's Choice Clinical Niacinamide 20% Treatment

This brightening treatment is formulated around Niacinamide and Arbutin to fade the look of dark spots and brighten dull-looking skin.

This pore-care treatment is formulated around Niacinamide and Acetyl Glucosamine to refine the look of pores and refine skin texture.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Citrus Junos Fruit Extract 37%

Butylene Glycol

Bis-PEG-18 Methyl Ether Dimethyl Silane

Glycerin

Niacinamide 5%

Sodium Stearate

Pentylene Glycol

1,2-Hexanediol

Allantoin

Ethylhexylglycerin

Melaleuca Alternifolia Leaf Extract

Centella Asiatica Extract

Polygonum Cuspidatum Root Extract

Scutellaria Baicalensis Root Extract

Camellia Sinensis Leaf Extract

Rosmarinus Officinalis Leaf Extract

Glycyrrhiza Uralensis Root Extract

Chamomilla Recutita Flower Extract

BHT

Panthenol

Arginine

Glutathione

Biotin

Sodium Ascorbyl Phosphate

Ascorbyl Tetraisopalmitate

Arbutin

Tocopheryl Acetate

Folic Acid

Pyridoxine Hcl

Glyceryl Linoleate

Madecassoside

CI 19140

Centella Asiatica Leaf Extract

Asiaticoside

Glyceryl Linolenate

Glycyrrhiza Glabra Root Extract

Glyceryl Arachidonate

Madecassic Acid

Asiatic Acid

Palmitoyl Dipeptide-10

Palmitoyl Tetrapeptide-7

Palmitoyl Tripeptide-1

Ascorbyl Palmitate

Parfum

Limonene

Citrus Junos Fruit Extract 37%, Butylene Glycol, Bis-PEG-18 Methyl Ether Dimethyl Silane, Glycerin, Niacinamide 5%, Sodium Stearate, Pentylene Glycol, 1,2-Hexanediol, Allantoin, Ethylhexylglycerin, Melaleuca Alternifolia Leaf Extract, Centella Asiatica Extract, Polygonum Cuspidatum Root Extract, Scutellaria Baicalensis Root Extract, Camellia Sinensis Leaf Extract, Rosmarinus Officinalis Leaf Extract, Glycyrrhiza Uralensis Root Extract, Chamomilla Recutita Flower Extract, BHT, Panthenol, Arginine, Glutathione, Biotin, Sodium Ascorbyl Phosphate, Ascorbyl Tetraisopalmitate, Arbutin, Tocopheryl Acetate, Folic Acid, Pyridoxine Hcl, Glyceryl Linoleate, Madecassoside, CI 19140, Centella Asiatica Leaf Extract, Asiaticoside, Glyceryl Linolenate, Glycyrrhiza Glabra Root Extract, Glyceryl Arachidonate, Madecassic Acid, Asiatic Acid, Palmitoyl Dipeptide-10, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Ascorbyl Palmitate, Parfum, Limonene

Water

Niacinamide 20%

Acetyl Glucosamine

Ascorbyl Glucoside

Spiraea Ulmaria Extract

Portulaca Oleracea Extract

Camellia Japonica Flower Extract

Epigallocatechin Gallate

Boerhavia Diffusa Root Extract

Lecithin

Pullulan

Silica

Xanthan Gum

Sclerotium Gum

Propanediol

Sodium Phytate

Phenoxyethanol

Water, Niacinamide 20%, Pentylene Glycol, Butylene Glycol, Glycerin, Acetyl Glucosamine, Ascorbyl Glucoside, Glycyrrhiza Glabra Root Extract, Spiraea Ulmaria Extract, Portulaca Oleracea Extract, Camellia Japonica Flower Extract, Epigallocatechin Gallate, Boerhavia Diffusa Root Extract, Camellia Sinensis Leaf Extract, Allantoin, Lecithin, Pullulan, Panthenol, Silica, Xanthan Gum, Sclerotium Gum, Propanediol, Sodium Phytate, Phenoxyethanol, Ethylhexylglycerin

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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.

Allantoin is a soothing ingredient known for its protective and moisturizing properties; it's basically a quiet workhorse ingredient you can find in a huge range of cosmetics.

Though it can be derived from the comfrey plant, allantoin is produced synthetically for cosmetic products to ensure purity.

Research shows it can encourage your skin cells to turn over and renew by stimulating keratinocyte and fibroblast proliferation.

It also has mild keratolytic properties to help loosen and shed dead skin cells without being harsh.

Studies also suggest allantoin can help calm inflammation by dialing down some of the chemical signals your skin sends out when it is irritated.

This ingredient is typically used in the 0.1-0.5% range, and the FDA recognizes it as a skin protectant in OTC products up to 2%.

Overall, allantoin is a wonderful addition to most routines; it is stable across a wide pH range (~4-8), works well with other ingredients, and is considered non-sensitizing/non-irritating.

Fun fact: Allantoin is naturally occurring in comfrey root, beets, chamomile, and wheat sprouts. Our bodies even produce it as a byproduct of uric acid metabolism.

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.

Camellia Sinensis Leaf Extract (tea extract) is one of the most well-researched plant extracts in skincare with an impressive resume.

Black tea, green tea, and oolong tea are all harvested from the Camellia Sinensis plant.

Studies show green tea extract and its catechins (like epigallocatechin gallate (EGCG)) help your skin cells product energy more efficiently and reducing the number of free-radicals that can damage your skin from the inside.

In lab-grown skin models, this translated to younger, healthier, and stronger skin.

There's also good sun protection data; researchers saw less DNA damage and redness on human skin when green tea was applied before UVB exposure. And the more they applied, the better the protection.

Needless to say, this ingredient shouldn't replace your sunscreen. But it is a great supportive ingredient that you can already find in many sunscreens and antioxidant serums.

A 2009 study found a 2% green tea lotion was effective for mild-to-moderate acne thanks to its anti-inflammatory and mild antimicrobial activity.

The quality of the extract matters a lot here:

Good extracts contain 50-90% catechins while lower quality ones are mostly there for marketing. We recommend reaching out to the brand if you have questions about the quality or source of their ingredients.

Human Repeated Insult Patch Testing showed no irritation or sensitization at use concentrations (0.86% in leave-on products and up to 30% as leaf water).

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Glycyrrhiza Glabra Root Extract is an extract of the roots of Licorice. It has been found to have several benefits such as skin hydrating, conditioning, and soothing.

One component, glabridin, has extra potent antioxidant and soothing properties. It has also been found to block pigmentation from UVB rays in guinea pigs.

Licorice Root also contains a flavonoid. Flavonoids are a natural substance from in plants. Flavonoids also have antioxidant properties.

Another component, glycyrrhizin, has been found to have anti-inflammatory and antimicrobial benefits. This may make licorice root extract effective at treating acne. However, more research is needed to support this.

Liquiritin is one of the flavone compounds found in licorice. It has been found to help lighten skin by preventing tyrosinase from reacting with tyrosine. When the two react, protein is converted to melanin. Melanin is the substance in your body that gives your features pigmentation.

Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging.

And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin.

You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this.

In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it.

If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare.

When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.

When you apply niacinamide to your skin, your body converts it into nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme that is already found in your cells as "fuel" and powers countless biological processes.

In your skin, NAD helps repair cell damage, produce new healthy cells, support collagen production, strengthen the skin barrier, and fight environmental stressors (like UV and pollution).

Our natural NAD levels start to decline with age, leading to slower skin repair, visible aging, and a weaker skin barrier. By providing your skin niacinamide, you're recharging your skin's NAD levels. This leads to stronger, healthier, and younger looking skin.

Another name for vitamin B3 is nicotinamide. This vitamin is water-soluble and our bodies don't store it. We obtain Vitamin B3 from either food or skincare. Meat, fish, wheat, yeast, and leafy greens contain vitamin B3.

The type of niacinamide used in skincare is synthetically created.

Panthenol is a common ingredient that helps hydrate and soothe the skin. It is found naturally in our skin and hair.

There are two forms of panthenol: D and L.

D-panthenol is also known as dexpanthenol. Most cosmetics use dexpanthenol or a mixture of D and L-panthenol.

Panthenol is famous due to its ability to go deeper into the skin's layers. Using this ingredient has numerous pros (and no cons):

Like hyaluronic acid, panthenol is a humectant. Humectants are able to bind and hold large amounts of water to keep skin hydrated.

This ingredient works well for wound healing. It works by increasing tissue in the wound and helps close open wounds.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

This ingredient is also referred to as pro-vitamin B5.

Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula:

Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses.

On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations.

Typical use levels in a formula run about 1-5%.

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