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SkinWis Scientific

Niacinamide 20% Serum

Updated on: 18/11/2025
Niacinamide 20% Serum
37
Total Ingredients
analysed
33 of 37
Skin-Safe
low risk
1 of 37
Potential Irritants
may irritate sensitive skin
0 of 37
Potential Pore-Clogging
comedogenic risk

Product Analysis Summary

About this product

Contains Niacinamide and Retinol. Mostly fragrance‑free. Formula aimed at oily and acne-prone skin. Patch-test if you have very reactive skin.

Formulation Analysis

Click any ingredient to view full details

C: Comedogenic·S: Safety·Ir: Irritancy
1 Very safe
2 Safe
3 Moderate
4 Risky
5 Avoid
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
2
Comedogenic: Low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
3
Safety: Moderate risk
Ir
4
Irritancy: High risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
2
Comedogenic: Low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
2
Comedogenic: Low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
C
2
Comedogenic: Low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
1
Safety: Very low risk
Ir
1
Irritancy: Very low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk
C
1
Comedogenic: Very low risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk

Community

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Common Questions

Frequently Asked Questions

Is TIRTIR Niacinamide 20% Serum comedogenic?

Appears Non-Comedogenic Niacinamide 20% Serum appears to be non-comedogenic based on our ingredient analysis. None of its 37 ingredients carry a high comedogenic rating, making it generally suitable for acne-prone and oily skin types.

Is TIRTIR a good skincare brand?

South Korean cosmetics brand. TIRTIR makes products such as Niacinamide 20% Serum that include some ingredients which may be problematic for sensitive or acne-prone skin. Check individual product ingredient lists and community reviews before deciding. Read more about TIRTIR.

Is TIRTIR Niacinamide 20% Serum safe for sensitive skin?

Use with Caution Niacinamide 20% Serum may not be ideal for sensitive skin. It contains 1 potential irritant including <a href="/ingredient/retinol" class="font-bold underline hover:text-cyan-700">Retinol</a> . Common triggers like Fragrance, Limonene, and Linalool can cause redness or reactions in sensitive or barrier-compromised skin. We recommend patch testing before full use.

Does TIRTIR Niacinamide 20% Serum clog pores?

Unlikely to Clog Pores Based on our analysis, Niacinamide 20% Serum is unlikely to clog pores. None of its 37 ingredients have a comedogenic rating above 2.

Who makes TIRTIR Niacinamide 20% Serum?

This product is from TIRTIR. See more products from TIRTIR.

What are the ingredients in TIRTIR Niacinamide 20% Serum?

Niacinamide 20% Serum contains 37 ingredients. The first ingredients listed are <a href="/ingredient/water" class="font-bold underline hover:text-cyan-700">Water</a>, <a href="/ingredient/niacinamide" class="font-bold underline hover:text-cyan-700">Niacinamide</a>, <a href="/ingredient/glycerin" class="font-bold underline hover:text-cyan-700">Glycerin</a>, <a href="/ingredient/butylene-glycol" class="font-bold underline hover:text-cyan-700">Butylene Glycol</a> and <a href="/ingredient/propanediol" class="font-bold underline hover:text-cyan-700">Propanediol</a>. Each ingredient includes a comedogenic rating, irritancy rating, and safety score. View the full annotated ingredient list above.

What do users say about TIRTIR Niacinamide 20% Serum?

No Reviews Yet Niacinamide 20% Serum does not yet have community reviews on SkinWis. Be the first to share your experience.

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