Kiehl's Clearly Corrective Dark Spot Solution Versus One Thing Niacinamide 10% Toner
Updated on April 21, 2025
Overview
What they are
These products are both fungal acne (malassezia) safe and reef safe . They have a total of 2 ingredients in common
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores and scar healing
Free From
They both do not contain any parabens, silicones or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients
One Thing Niacinamide 10% Toner 5 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients
One Thing Niacinamide 10% Toner 5 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Ingredients Side-by-side
Water
Skin ConditioningPropylene Glycol
Humectant
Glycerin
Humectant
Alcohol Denat.
Antimicrobial
PEG/PPG/Polybutylene Glycol-8/5/3 Glycerin
HumectantHydroxypropyl Tetrahydropyrantriol
Skin Conditioning3-O-Ethyl Ascorbic Acid
Skin Conditioning
PPG-6-Decyltetradeceth-30
EmulsifyingPhenoxyethanol
Preservative
Salicylic Acid
Masking
Xanthan Gum
EmulsifyingHydroxyethylcellulose
Emulsion StabilisingPotassium Hydroxide
BufferingCitric Acid
Buffering
Sodium Citrate
BufferingTocopheryl Acetate
Antioxidant
Lavandula Angustifolia Oil
Masking
Disodium EDTA
Adenosine
Skin Conditioning
Linalool
Perfuming
Butylene Glycol
Humectant
Tocopherol
Antioxidant
Citrus Aurantium Tachibana Peel Extract
HumectantPaeonia Suffruticosa Root Extract
Skin ProtectingWater, Propylene Glycol, Glycerin, Alcohol Denat., PEG/PPG/Polybutylene Glycol-8/5/3 Glycerin, Hydroxypropyl Tetrahydropyrantriol, 3-O-Ethyl Ascorbic Acid, PPG-6-Decyltetradeceth-30, Phenoxyethanol, Salicylic Acid, Xanthan Gum, Hydroxyethylcellulose, Potassium Hydroxide, Citric Acid, Sodium Citrate, Tocopheryl Acetate, Lavandula Angustifolia Oil, Disodium EDTA, Adenosine, Linalool, Butylene Glycol, Tocopherol, Citrus Aurantium Tachibana Peel Extract, Paeonia Suffruticosa Root Extract
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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. Stay hydrated!
Learn more about WaterButylene 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.
Learn more about Butylene GlycolIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients
One Thing Niacinamide 10% Toner 5 ingredients
Reviews
Here's what our community thinks
Kiehl's Clearly Corrective Dark Spot Solution 24 ingredients
Normally I avoid products with alcohol, but it’s not an issue with this one. It’s well formulated so that it’s balanced out with other more hydrating ingredients. It absorbed nearly immediately and doesn’t dry out the skin. The results aren’t massive. But I just love the apothecary aesthetic and it works about as well as any other dark spot corrector.
Works as said
I have dark skin and lots of PIH. It lightens them. You can see quicker results with new PIH spots. Holygrail in my routine
One Thing Niacinamide 10% Toner 5 ingredients
I’m not really keen on it since the toner made my skin all red and irritated after applying it.
I wouldn’t recommend it, if you have sensitive or dry skin due to the high concentration.
