La Roche Posay's Serozinc is highly anticipated and highly raved (Source)
Escentual's site promotes Serozinc as "created with just three ingredients: La Roche-Posay’s ultra-soothing thermal spring water, healing zinc sulphate (0.10%) and astringent sodium chloride (0.75%). Together, these three ingredients target blemishes, marks and excess oiliness, ensuring your complexion feels fresh and comfortable at any time of day." So I guess we already know what the product is made of, and what the claims are. A lot of the rave reviews for Serozinc seem to have come from the fact that it is so simply formulated, which I suppose must be refreshing in a sea of products making complicated ingredient claims.
Serozinc is really getting a lot of hype despite the simple formulation (Source)
But before I start, I must clarify that I have never actually tried this product myself personally. Although ideally a more complete "review" (in the sense of a blog review) would have my own personal experience with the product woven in (as I do with my normal reviews), for the purposes of this post, we are looking at what the science says about the usefulness of Zinc Sulphate, which will in turn help consumers (like you and me!) decide whether it's really worth spending your hard-earned money on the product. So just take this as me doing your science homework for you, to help you make an educated decision before you buy the product! So, without further ado, let's take a look at the ingredients in the product!
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