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SkinWis Scientific

RS Retinol 2.5 Serum

Updated on: 08/07/2025
RS Retinol 2.5 Serum
14
Total Ingredients
analysed
10 of 14
Skin-Safe
low risk
1 of 14
Potential Irritants
may irritate sensitive skin
0 of 14
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
2
Irritancy: 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
2
Irritancy: Low risk
C
1
Comedogenic: Very low risk
S
2
Safety: Low risk
Ir
2
Irritancy: Low risk
C
2
Comedogenic: Low risk
S
1
Safety: Very low risk
Ir
2
Irritancy: 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
3
Irritancy: Moderate risk
S
3
Safety: Moderate risk
Ir
3
Irritancy: Moderate risk
S
2
Safety: Low risk
Ir
1
Irritancy: Very low risk

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Common Questions

Frequently Asked Questions

Is Cos De BAHA RS Retinol 2.5 Serum comedogenic?

Appears Non-Comedogenic RS Retinol 2.5 Serum appears to be non-comedogenic based on our ingredient analysis. None of its 14 ingredients carry a high comedogenic rating, making it generally suitable for acne-prone and oily skin types.

Is Cos De BAHA a good skincare brand?

South Korean skincare brand focused on sensitive skin solutions. Cos De BAHA makes products such as RS Retinol 2.5 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 Cos De BAHA.

Is Cos De BAHA RS Retinol 2.5 Serum safe for sensitive skin?

Use with Caution RS Retinol 2.5 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 Cos De BAHA RS Retinol 2.5 Serum clog pores?

Unlikely to Clog Pores Based on our analysis, RS Retinol 2.5 Serum is unlikely to clog pores. None of its 14 ingredients have a comedogenic rating above 2.

Who makes Cos De BAHA RS Retinol 2.5 Serum?

This product is from Cos De BAHA. See more products from Cos De BAHA.

What are the ingredients in Cos De BAHA RS Retinol 2.5 Serum?

RS Retinol 2.5 Serum contains 14 ingredients. The first ingredients listed are <a href="/ingredient/aloe-barbadensis-leaf-extract" class="font-bold underline hover:text-cyan-700">Aloe Barbadensis Leaf Extract</a>, <a href="/ingredient/retinol" class="font-bold underline hover:text-cyan-700">Retinol</a>, <a href="/ingredient/sodium-hyaluronate" class="font-bold underline hover:text-cyan-700">Sodium Hyaluronate</a>, <a href="/ingredient/niacinamide" class="font-bold underline hover:text-cyan-700">Niacinamide</a> and <a href="/ingredient/1-2-hexanediol" class="font-bold underline hover:text-cyan-700">1,2-Hexanediol</a>. Each ingredient includes a comedogenic rating, irritancy rating, and safety score. View the full annotated ingredient list above.

What do users say about Cos De BAHA RS Retinol 2.5 Serum?

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