Skin Republic Niacinamide 10% + Zinc 1% Serum Review

Skin Republic Niacinamide 10% + Zinc 1% Serum
5.0
/ 10
Moisturizing
10.0 Humectancy icon Humectancy
0.0 Occlusivity icon Occlusivity
6Anti-wrinkle icon/ 10
Anti-wrinkle
Rich
in Antioxidants
Rich Skin Soothing icon
in Skin Soothers
Review

Does Skin Republic Niacinamide 10% + Zinc 1% Serum Work?

 
According to CreamScan AI's analysis of the ingredient list, here’s what Skin Republic Niacinamide 10% + Zinc 1% Serum has to offer:
 
  • Strong humectant moisturizing. This lightweight, humectant-rich product, ideal for oily skin, has a moisturizing rating of 5.0 out of 10.
  • Significant anti-wrinkle efficacy. With an anti-wrinkle rating of 6.0 out of 10, Skin Republic Niacinamide 10% + Zinc 1% Serum is effective in minimizing wrinkles.
  • Soothing: Skin Republic Niacinamide 10% + Zinc 1% Serum contains a high concentration of soothing ingredients, which may help to reduce irritation and calm the skin.
  • Antioxidant protection.

Key Benefits of Skin Republic Niacinamide 10% + Zinc 1% Serum

 
These are the key benefits you can expect from using Skin Republic Niacinamide 10% + Zinc 1% Serum:
 

Lightweight Purely Humectant Moisturizing, Ideal for Oily Skin

According to CreamScan analysis, Skin Republic Niacinamide 10% + Zinc 1% Serum is quite moisturizing, with a moisturizing rating of 5.0 out of 10.

Is it more humectant or occlusive? It is purely humectant. It has zero occlusivity (we didn't find any occlusive ingredients on the ingredient list) and a maximum humectancy of 10 out of 10, primarily due to the high content of Niacinamide (est. ≈10.0%) and Propylene Glycol (est. ≈4.0%).

This humectant-rich product, when used alone as a moisturizer, is ideal for oily skin, providing significant hydration in a lightweight, fast-absorbing formula without any occlusive ingredients.

Tip: Certain studies suggest that humectants alone may not effectively moisturize the skin. If you use this product as your only moisturizer, we recommend following it with one that contains at least some occlusive ingredients.

A Humectant Boost for Any Skincare Routine

But it’s not limited to oily skin - such a humectant boost will also positively contribute to the moisturizing efficacy of any skincare routine when used as a step before applying the main moisturizer. This type of formulation is typically used in serums, where a light, fast-absorbing texture is key.

Please refer to the Ratings section below for details of the moisturizing rating calculation.

Significant Anti-Wrinkle Efficacy

According to CreamScan analysis, Skin Republic Niacinamide 10% + Zinc 1% Serum has a high anti-wrinkle rating of 6.0 out of 10.

It contains one ingredient with proven anti-wrinkle efficacy: Niacinamide (est. ≈10.0%), 
 one of the most effective and well-researched anti-wrinkle ingredients. A clinical study involving 30 participants (Kawada et al.) confirmed that a cream with 4% niacinamide reduced the average depth of wrinkles around the eyes by 9% after 8 weeks of use, compared to a vehicle (the same formulation without niacinamide).
 

Please refer to the Ratings section below for details of the anti-wrinkle rating calculation.

Rich in Skin-Protecting Antioxidants

We estimate that Skin Republic Niacinamide 10% + Zinc 1% Serum is rich (> 3%) in antioxidants, specifically Niacinamide (est. ≈10.0%).

A key benefit of antioxidants is their ability to reduce oxidative stress caused by free radicals and therefore prevent accelerated skin aging. Studies also show that antioxidants can protect against environmental damage such as UV radiation and pollution, and help reduce inflammation and skin redness.

Skin Soothing and Calming Potential

Based on the ingredient list analysis, Skin Republic Niacinamide 10% + Zinc 1% Serum is rich (> 5%) in soothing ingredients, particularly Niacinamide (est. ≈10.0%).

When applied to the skin, compounds of soothing ingredients, such as triglycerides, phospholipids, fatty acids, phenolic compounds, and antioxidants, work together to soothe the skin through various mechanisms: reducing inflammation, promoting wound healing, repairing the skin barrier, and providing antimicrobial and antioxidant activities.

Please note that this is not a complete list of benefits. We are in the process of enhancing our AI model to incorporate anti-pigmentation, exfoliation and anti-acne ratings.

Things to Be Aware Of: Skin Republic Niacinamide 10% + Zinc 1% Serum

 
CreamScan AI identified a few things to consider before adding Skin Republic Niacinamide 10% + Zinc 1% Serum to your skincare routine:
 

If It’s Your Only Moisturizer, It Needs to Be Paired with Some Occlusives

While humectants are highly effective at attracting water to the skin, studies (J. N. Kraft, C. W. Lynde) suggest they may not be efficient when used alone.

One major drawback of purely humectant moisturization is that the water attracted by humectants to the upper layers of the skin can evaporate completely into the environment through transepidermal water loss (TEWL). Adding occlusive ingredients helps seal this moisture into the skin and prevent further water loss.

If you’re using Skin Republic Niacinamide 10% + Zinc 1% Serum as your only moisturizer, consider pairing it with one that contains at least some occlusive ingredients, such as oils, butters, or silicones. These work alongside humectants to create a protective barrier, locking in hydration and ensuring longer-lasting moisturization. The amount of occlusive needed depends on your skin type - the drier the skin, the more occlusives it requires.

If this product is used not as a standalone moisturizer but as part of your skincare routine, such as a toner or serum, it should be applied before your main moisturizer (unless it's a sunscreen), which will provide the necessary occlusivity on top of it.

Pros & Cons of Skin Republic Niacinamide 10% + Zinc 1% Serum

 
Here’s an overview of the pros and cons of Skin Republic Niacinamide 10% + Zinc 1% Serum to help you decide if it’s the right choice for your skincare routine:
 

Pros:

  • When used alone: Provides humectant-rich moisturizing ideal for oily skin
  • As part of a routine: A humectant moisturizing boost, beneficial for any skin type
  • Lightweight texture
  • Delivers signficant anti-wrinkle efficacy thanks to Niacinamide
  • Rich in antioxidants that combat oxidative stress associated with accelerated skin aging and defend against environmental damage
  • Potentially soothing, as it contains a high concentration of soothing Niacinamide

Cons: 

  • Only if used as a standalone moisturizer - it needs to be paired with occlusives to seal in humectants

Ingredients

Est. % Ingredient Origin Functions
85
10
4
1
0.3
0.3
0.3
0.3
Est. %
Water
Function:
Origin:
Niacinamide
Function:
Origin:
Propylene Glycol
Function:
Origin:
Zinc PCA
Function:
Origin:
Glyoxal
Function:
Origin:
Hydroxyethylcellulose
Function:
Origin:
PPG-1-PEG-9 Lauryl Glycol Ether
Function:
Origin:
Phenoxyethanol
Function:
Origin:

Ratings

All humectants
15.0
10
4
1
Benchmark
10
All occlusives
0.0
None
Benchmark
20
Moisturizing rating
5.0
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 15 10
10.0
10
4
1
Occlusivity All occlusives 0.0 20
0.0
None
Moisturizing rating
5.0
Ingredient Est. % Benchmark Humectancy
10
4
1
All humectants 15 10
10
All humectants
15.0
10
4
1
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
None
All occlusives 0.0 20
0.0
All occlusives
0.0
None
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
6 /10 4 10 6
Total
6
Niacinamide
6
Ingredient anti-wrinkle power
6 /10
when present at, %
4
in this formula, est. %
10
Anti-wrinkle rating
6
Ingredient Est. % Benchmark
Rich in Antioxidants
10
All antioxidants 10 3 Rich in antioxidants
All antioxidants
10
Niacinamide
10
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
10
All soothing 10 5 Rich in soothing
All soothing
10
10
Benchmark
5

Ingredients explained

Water
Est. %85
Function
Origin
WaterThe most used ingredient in skincare. Its concentration defines the product texture: rich creams may have about 50% of water while a light jelly about 90%. Water doesn’t moisturize the skin by itself and is used in skincare as a solvent for other ingredients.
Niacinamide
Est. %10
Function
Origin
Niacinamide

Also known as vitamin B3, this ingredient is a true superstar with confirmed moisturizing, anti-acne, hyperpigmentation, and antioxidant benefits. Two studies confirm its significant anti-wrinkle efficacy.

Propylene Glycol
Est. %4
Function
Origin
Propylene GlycolA clear, thick, odorless liquid of synthetic origin. Its main function is to stabilize cosmetic products exposed to varying temperatures. It is also a moderately strong humectant with similar properties to glycerin.
Zinc PCA
Est. %1
Function
Origin
Zinc PCAA two-part ingredient: Zinc helps to control sebum and bacteria in acne-prone skin, while skin-identical PCA is a moisturizing humectant. Zinc PCA may even boost collagen production and so is researched as a potential anti-wrinkle ingredient.
Glyoxal
Est. %0.3
Function
Origin
Glyoxal
Hydroxyethylcellulose
Est. %0.3
Function
Origin
HydroxyethylcelluloseA naturally-derived thickener that can form clear gel textures without the slimy feeling, unlike some other natural gel-formers.
PPG-1-PEG-9 Lauryl Glycol Ether
Est. %0.3
Function
Origin
PPG-1-PEG-9 Lauryl Glycol Ether
Phenoxyethanol
Est. %0.3
Function
Origin
PhenoxyethanolThe most frequently used preservative in skincare. It is a clear, oil-like liquid synthetic substance that protects products from harmful bacteria and yeast, whilst still leaving skin microflora unharmed. It is confirmed by research to be harmless.