NYX Cosmetics Can’t Stop Won’t Stop Setting Powder Versus Laura Mercier Ultra Blur Translucent Lose Setting Powder
What's inside
What's inside
Key Ingredients
Benefits
Ingredients Side-by-side
Mica
Cosmetic ColorantLauroyl Lysine
Skin Conditioning
Zinc Stearate
Cosmetic ColorantAluminum Starch Octenylsuccinate
Absorbent
Silica
Abrasive
C13-15 Alkane
SolventEthylhexylglycerin
Skin ConditioningHelianthus Annuus Seed Oil
Emollient
Tocopherol
Antioxidant
Sodium Hyaluronate
Humectant
Sorbic Acid
Preservative
Blue 1 Lake
Cosmetic ColorantIron Oxides
CI 77742
Cosmetic ColorantCI 15850
Cosmetic ColorantCI 77891
Cosmetic ColorantCI 77007
Cosmetic ColorantCI 19140
Cosmetic Colorant
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Aluminum Starch Octenylsuccinate is a synthetic powder used as an absorbent, thickener, and anti-caking agent.
As an absorbent, it is great at mattifying skin by soaking up the oil. This is why you'll find it in a range of products from makeup to moisturizers.
This ingredient is considered a modified starch. Starch can also be found naturally in plants.
One study from 1991 found that 5% of this ingredient enhanced titanium dioxide SPF by as much as 40%. The study found 1% titanium dioxide had a 5.6 SPF and adding 5% of aluminum starch octenylsuccinate boosted it to an SPF of 8.1
Although “aluminum” in an ingredient name can raise red flags for some consumers, the form and usage context matter significantly. For typical topical applications, there is no substantial evidence of health risks - such as cancer, neurotoxicity, or systemic “aluminum overload.”
Learn more about Aluminum Starch OctenylsuccinateCI 19140 is also known as Tartrazine. Tartrazine is a synthetic dye used in cosmetics, foods, and medicine to add a yellow color.
Tartrazine is created from petroleum and is water-soluble.
Some people may experience allergies from this dye, especially asthmatics and those with an aspirin intolerance.
Learn more about CI 19140Mica is a naturally occurring mineral used to add shimmer and color in cosmetics. It can also help improve the texture of a product or give it an opaque, white/silver color.
Serecite is the name for very fine but ragged grains of mica.
This ingredient is often coated with metal oxides like titanium dioxide. Trace amounts of heavy metals may be found in mica, but these metals are not harmful in our personal products.
Mica has been used since prehistoric times throughout the world. Ancient Egyptian, Indian, Greek, Roman, Aztec, and Chinese civilizations have used mica.
Learn more about MicaZinc Stearate is the metal salt of stearic acid. It is a white solid used to bind, thicken, and lubricate products.
This ingredient is common in powder makeup, where it helps keep the powder together.
Zinc Stearate is hydrophobic and repels water.
This ingredient can be sourced from non-animal or animal sources. It is best to reach out to the brand to see where they source this ingredient from.
Learn more about Zinc StearateThis ingredient is a combination of red, black, and yellow iron oxide pigments. This combination of colors is usually found in foundation, because it results in a "skin" color.
The EU typically uses CI numbers for colorants when applicable, such as CI 77489. In the US, iron oxides are regulated as color additives and "iron oxides" is the most commonly used name in US cosmetic practice.
A 2021 paper looked at skincare formulations containing iron oxides and found that they reduced transmission of blue light when measured optically. In simple terms, the pigment particles helped block or scatter part of the visible light spectrum in lab testing and the authors suggest this could translate into better protection against blue-light-related skin effects.
There is also clinical and experimental research showing that tinted products containing iron oxides can reduce visible light-induced pigmentation:
Please note, whether a product reduces visible or blue light depends on things like:
In the EU's CosIng database, iron oxides are only listed as a colorant. CosIng groups ingredients by their main cosmetic role, such as colorant, preservative, or UV filter.
Though studies say iron oxides can "attenuate blue light", they're describing an optical property and not an officially recognized cosmetic function.
So CosIng isn’t contradicting the research. It’s just classifying iron oxides by what they officially are: pigments that add color.
Learn more about Iron Oxides
