
Klairs Midnight Blue Youth Activating Drop is a product with 10 ingredients: Sh-Oligopeptide-1, Sh-Polypeptide-1, Butylene Glycol, Vaccinium Angustifolium (Blueberry) Fruit Extract, Sorbitan Sesquioleate, PEG-60 Hydrogenated Castor Oil, Chlorphenesin, Guaiazulene, Ethylhexylglycerin, Adenosine.
Organic score: 10% natural, 70% chemical. Vegan - No; Cruelty free - No; Reef safe - Yes;
Positive effects
Concerns
INCI - Full Breakdown

Butylene Glycol is a very popular synthetic alcohol. It helps the product to absorb deeper and faster. It is also a solvent for other ingredients. As for the skin benefits, it helps to attract water and helps to make the skin softer.
Chlorphenesin is a popular preservative. It doesn’t provide any skin-related positive effects and is used to prevent bacterial growth inside a product. It’s a weak preservative but works much better with silicones.
Allowed concentration: no more than 0,3% for European Union countries.
Ethylhexylglycerin makes the skin softer, smoother and more hydrated. It acts deeply but without any heavy or sticky feeling. In haircare products, it works as a conditioner and scalp cleanser. It is safe but only in concentration below 8% in rinse-off products and below 2% in leave-on products. Can be an irritator in higher concentrations. In general, this component is great if you see it somewhere at the bottom of the list.
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