Review (La Roche – Posay): Serozinc



The Skin Care

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La Roche – Posay: Serozinc (150ml)

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  • A mattifying mist/ toner suited for acne – prone, oily, sensitive, and congested skin
  • Uses zinc sulphate, sodium chloride (astringent), and purified water to reduce face oils, target blemishes, and tighten pores
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  • La Roche – Posay’s Serozinc only has 3 ingredients, and I found none of these irritating to my skin!

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  • Sodium Chloride (0.75%): Is also known as our friendly house hold table salt. Due to its small shape and irregular rigid shape, Sodium Chloride can be used as a physical exfoliant to shed off the dead skin cells. This exfoliation process can decrease water loss in our skin ( this is also called Transepidermal water loss),  and increase hydration to the skin.  When Sodium Chloride isn’t used as a physical exfoliator, supposedly it can be used as an astringent. As an astringent, Sodium Chloride is able to efficiently strip the face clean of it’s oil, dirt, and dead skin cells. In La Roche – Posay’s Serozinc, Sodium Chloride is used as an astringent.
  • Zinc Sulphate (0.10%): This ingredient is normally used in skincare to treat acne. Numerous studies have reported the reduction of sebum & facial oils from taking Zinc Sulphate as an oral supplement. Due to this, Zinc Sulphate has been used to treat acne conditions of teenagers and adults. Now, we all know that taking an ‘ingredient’ orally, and applying it on the skin can produce two different results.  This conception of Zinc Oxide being able to help with acne from it being taken as a supplement, has been carried over to Zinc Oxide being used topically.  Scientific studies have actually found the topical application of Zinc Oxide to have no effect on the treatment of acne. You are more likely to treat acne conditions by taking Zinc supplements, than applying it on your face. Of note, Zinc Oxide is not a total useless ingredient in skincare. It is a known antioxidant, and they’re theories that Zinc Oxide can protect us from the over production of Reactive Oxygen Species (ROS). ROS is a natural byproduct produced by our body, and they have an important role in cell communication, but too much of it can be damaging to the cell structures. As an antioxidant, Zinc Oxide may offer protection with the over production of ROS.


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” La Roche – Posay’s Serozic combines 3 ingredients in this face mist. It is a strong astringent that clears away facial oils, tightens the pores, and leaves the skin matte.   “


Scent (5/5): This toner/ face mist has no scent.

Texture of the product(2/5):  This is a water based mist/toner, and as such, water molecules are too large to be absorbed into the skin straight away. In saying this, La Roche – Posay’s Serozinc just remains topically on the face for a good minute. If this product is used as a daily face mist (maybe kept on the work desk, or bag), then this water based mist will leave tiny droplets of water on your face. Refreshing as this is, just also note that the water droplets take time to absorb into the skin.

Application(5/5):  The application of La Roche – Posay Serozinc uses an aerosol can to disperse the product onto the face. The mist dispersed is very fine, and covers a decent amount of area on the face. The Serozonic is probably one of the better aerosol dispersers in the market (which is not surprising, since this brand is also known for their aerosol thermal water face mist).

Quality of product (2/5): La Roche – Posay’s Serozic uses 3 main ingredients: Water, Sodium Chloride, and Zinc Sulphate, to soothe and clear the skin. From investigating the ingredients, Sodium Chloride and Zinc Sulphate seem to be ingredients that are ‘up in the air’ in the skincare industry. (Read ingredient analysis above)

I found the  contact of this water based mist to cool my skin upon application (which is expected, since contact with cold water cools down the skin….). The Sodium Chloride 100% acts as an astringent in this face mist/ toner, clearing my oils on my face, tightening my pores, and leaving it matte. However, I found this process a little bit to stripping for my face, and leaves my skin extremely dry. I personally think this mist should be used as a toner, to clear away all the gunk, oils, and dead skin cells, and to be refrained from being used as a face mist ( this mist might get rid of your oils, but it will leave you skin extremely dry).

Overall Performance/ Effects:

  • No scent
  • Amazing aerosol dispenser
  • Provides zero hydration to the skin
  • Refreshes and cools down your face with water
  • Formulation of the product is simple, but the formulation lacks any skin loving ingredients
  • Main selling point: It is a strong astringent, clearing away the face oils, tightening the pores, and leaving the skin matte. This process might be to harsh for some people.

Duration of wear: 22/ 02/ 2017 –

Repurchase: Yes, I think this is a great astringent toner for oily skin individuals like myself. If you have dry skin, normal, sensitive, or combination skin, I would stay away from this mist. 

Overall rating: 3.5/5

Price:  $25 AUS

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All products are purchased with my money. I am not sponsored to review any products. I am however a proud affiliate with WishTrend, and I truly adore how they promote good skin health. All opinions are 100% honest, and written from my personal experience.

Irritants are flagged from skin care database: CosDNA

Cosmetic ingredients information was accessed from public domains (unless referenced in-text). More detailed information can be found on:TruthInAgingPaula’s Choice

Since word press is a free to use platform, you might occasionally you might see an ad on my page. This is placed by WordPress and not by me.


4 thoughts on “Review (La Roche – Posay): Serozinc

  1. I got this product about 3 weeks ago! I still haven’t used it yet but am using the thermal water and like that one a lot. I think you’re right though that this should be treated as a toner rather than face mist. The thermal water would probably be better as a face mist (or both) because it’s so refreshing!

    Liked by 1 person

      1. I have combination/oily skin but because of the warmer climate now, my skin has been getting oilier so I think it’s the perfect time for me to test it out! 🙂 will let you know.


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