07.18.22
Minus The Sting
It is a great serum don't get me wrong.However, I do believe everyone's skin reacts differently to different skin products. Though I noticed my pores have shrunk and blemishes have decreased when using, I've noticed an unbearable sting when I apply this directly after my toner. I am unsure if it is just the high concentrate or my skin is that sensitive. It is great working over all in light of all of it as my skin is less oily and brighter and it is great to layer and fast absorbing. The best way I've resolved this issue though is to apply the hyaluronic acid serum first prior to the other two serums it alleviates it tremendously.
07.14.22
amazing
The niacinamide 15 serum : this serum is great for minimizing pores and controlling sebum, I am using it and it has changed my skin a lot, its texture disappears once it dries

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07.12.22
Review cosrx new serum
COSRX The Niacinamide 15 Serum 20ml This serum has a light texture and absorbs quickly. it can brighten the skin, besides that my skin feels smoother. This product can also relieve my redness

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07.11.22
The Niacinamide 15 Serum – 20ml
Textura ligera y acuosa, rápida absorción, al principio senti un poco de hormigueo pero con el uso se desvaneció la sensación, pero nunca fue irritante, es la primera vez que uso una concentración tan alta de Niacidamida, siempre he usado entre el 3% y 10%. He sufrido de un pequeño brote que me dejo algunas marcas y en la semana que lo utilice pude ver reducción en la producción de sebo y una ligera atenuación de las marcas (que ya se habían atenuado la semana anterior con el sérum COSRX Vitamina C 23%), con el uso de al menos 1 mes se deberán ver mejores resultados en cuanto a manchas y en apariencia de poros. Probado en tipo de piel: Mixta con tendencia a grasa. Recompraría, me gusto bastante, ya quiero ver lo que puede hacer por mis poros con el uso constante.

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07.11.22
Amazing for oil control!!
I have had oily skin all of my life and have always been looking for something that could get my oil in check and this serum has finally done that for me. I feel like with this serum that my skin has gone from oily to combination which is HUGE for me. Especially right now during the summer months. COSRX did it with this serum! I 100% recommend this to anybody with oily or acne prone skin. You need this!

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