What are the key ingredients in Y Theorem Repair Light Serum NAC Y2?

Y Theorem Repair Light Serum NAC Y2 contains 23 ingredients. Key actives include: Water, Glycerin, Alcohol, Benzyl Alcohol, Aloe Barbadensis Leaf Juice, and more.

Does Y Theorem Repair Light Serum NAC Y2 contain comedogenic or pore-clogging ingredients?

Y Theorem Repair Light Serum NAC Y2 contains potentially comedogenic or irritating ingredients: Benzyl Alcohol, Parfum. Always patch test before full use.

How is the safety of Y Theorem Repair Light Serum NAC Y2 rated?

Safety ratings for Y Theorem Repair Light Serum NAC Y2 are calculated based on individual ingredient analysis, covering comedogenicity, irritancy, and overall safety scores. See the full breakdown at https://www.skinwis.com/product/111skin-y-theorem-repair-light-serum-nac-y2.

Where can I find the full ingredient list for Y Theorem Repair Light Serum NAC Y2?

The complete ingredient list, safety analysis, and community reviews for Y Theorem Repair Light Serum NAC Y2 are available on SkinWis at https://www.skinwis.com/product/111skin-y-theorem-repair-light-serum-nac-y2.

Brand 111SKIN

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Y Theorem Repair Light Serum NAC Y2

Updated on: 22/10/2025

Total Ingredients

analysed

18 of 23

Skin-Safe

low risk

3 of 23

Potential Irritants

may irritate sensitive skin

0 of 23

Potential Pore-Clogging

comedogenic risk

About this product

23 ingredients

3 potential irritant

none pore-clogging

111SKIN product. Contains fragrance — patch test if sensitive. 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: Comedogenic·S: Safety·Ir: Irritancy

1 Very safe

2 Safe

3 Moderate

4 Risky

5 Avoid

Water

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Plaque Prevention Agent Skin Enhancer Ingredient Dissolver

Glycerin

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Fragrance Provider Moisture Magnet Thickness Regulator +7

Alcohol

Comedogenic: Very low risk

Safety: Moderate risk

Irritancy: High risk

Thickness Regulator Germ Fighter Ingredient Dissolver +3

Benzyl Alcohol

Safety: Moderate risk

Irritancy: Moderate risk

Product Protector Fragrance Provider Thickness Regulator +1

Aloe Barbadensis Leaf Juice

Comedogenic: Very low risk

Safety: Low risk

Irritancy: Low risk

Skin Enhancer

Calendula Officinalis Extract

Safety: Low risk

Irritancy: Low risk

Skin Enhancer

Carbomer

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Gel Structure Builder Thickness Regulator Emulsion Stabilizer

Aesculus Hippocastanum Seed Extract

Safety: Low risk

Irritancy: Low risk

Skin Enhancer

Sodium Ascorbyl Phosphate

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Anti-Aging Protector

Acetyl Cysteine

Safety: Low risk

Irritancy: Low risk

Anti-Aging Protector Skin Enhancer

Yeast Extract

Safety: Low risk

Irritancy: Low risk

Skin Enhancer Defensive Shield

Glycyrrhiza Glabra Root Extract

Safety: Low risk

Irritancy: Low risk

Surface Refiner Fragrance Provider Skin Enhancer +3

Prunus Armeniaca Kernel Oil

Comedogenic: Low risk

Safety: Low risk

Irritancy: Very low risk

Skin Enhancer Scent Provider

Sodium Hydroxide

Safety: Low risk

Irritancy: High risk

pH Stabilizer Alcohol Treatment Agent

Maltodextrin

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Moisture & Oil Absorber Hair Softener +3

Silica

Comedogenic: Very low risk

Safety: Low risk

Irritancy: Low risk

Volume Builder Cloudiness Creator Thickness Regulator +3

Butylene Glycol

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Low risk

Skin Enhancer Moisture Magnet Thickness Regulator +2

Sodium Benzoate

Safety: Low risk

Irritancy: Low risk

Product Protector Metal Protection Agent Scent Provider

Potassium Sorbate

Safety: Low risk

Irritancy: Low risk

Product Protector Scent Provider

Citric Acid

Comedogenic: Very low risk

Safety: Low risk

Irritancy: Moderate risk

pH Stabilizer Metal Ion Binder Scent Provider

Parfum

Safety: Moderate risk

Irritancy: High risk

Fragrance Provider Scent Provider

Aloe Vera leaf juice

Apricot Kernel Oil

Ingredient Name	Safety Profile	Functionality
01 Water	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Plaque Prevention Agent Skin Enhancer +1
02 Glycerin	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Fragrance Provider Moisture Magnet +8
03 Alcohol	C 1 Comedogenic: Very low risk S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Thickness Regulator Germ Fighter +4
04 Benzyl Alcohol	S 3 Safety: Moderate risk Ir 3 Irritancy: Moderate risk	Product Protector Fragrance Provider +2
05 Aloe Barbadensis Leaf Juice	C 1 Comedogenic: Very low risk S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Skin Enhancer
06 Calendula Officinalis Extract	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Skin Enhancer
07 Carbomer	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Gel Structure Builder Thickness Regulator +1
08 Aesculus Hippocastanum Seed Extract	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Skin Enhancer
09 Sodium Ascorbyl Phosphate	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Anti-Aging Protector
10 Acetyl Cysteine	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Anti-Aging Protector Skin Enhancer
11 Yeast Extract	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Skin Enhancer Defensive Shield
12 Glycyrrhiza Glabra Root Extract	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Surface Refiner Fragrance Provider +4
13 Prunus Armeniaca Kernel Oil	C 2 Comedogenic: Low risk S 2 Safety: Low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Scent Provider
14 Sodium Hydroxide	S 2 Safety: Low risk Ir 4 Irritancy: High risk	pH Stabilizer Alcohol Treatment Agent
15 Maltodextrin	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Moisture & Oil Absorber +4
16 Silica	C 1 Comedogenic: Very low risk S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Volume Builder Cloudiness Creator +4
17 Butylene Glycol	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 2 Irritancy: Low risk	Skin Enhancer Moisture Magnet +3
18 Sodium Benzoate	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Product Protector Metal Protection Agent +1
19 Potassium Sorbate	S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Product Protector Scent Provider
20 Citric Acid	C 1 Comedogenic: Very low risk S 2 Safety: Low risk Ir 3 Irritancy: Moderate risk	pH Stabilizer Metal Ion Binder +1
21 Parfum	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Fragrance Provider Scent Provider
22 Aloe Vera leaf juice		N/A
23 Apricot Kernel Oil		N/A

Potential Irritants

2 flagged

Benzyl Alcohol Parfum

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Common Questions

Frequently Asked Questions

Is 111SKIN Y Theorem Repair Light Serum NAC Y2 comedogenic?

Appears Non-Comedogenic Y Theorem Repair Light Serum NAC Y2 appears to be non-comedogenic based on our ingredient analysis. None of its 23 ingredients carry a high comedogenic rating, making it generally suitable for acne-prone and oily skin types.

Is 111SKIN a good skincare brand?

Luxury skincare brand founded by Dr. Yannis Alexandrides, inspired by treatments at 111 Harley St. in London. 111SKIN makes products such as Y Theorem Repair Light Serum NAC Y2 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 111SKIN.

Is 111SKIN Y Theorem Repair Light Serum NAC Y2 safe for sensitive skin?

Use with Caution Y Theorem Repair Light Serum NAC Y2 may not be ideal for sensitive skin. It contains 4 potential irritant s including <a href="/ingredient/alcohol" class="font-bold underline hover:text-cyan-700">Alcohol</a>, <a href="/ingredient/sodium-hydroxide" class="font-bold underline hover:text-cyan-700">Sodium Hydroxide</a> and <a href="/ingredient/parfum" class="font-bold underline hover:text-cyan-700">Parfum</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 111SKIN Y Theorem Repair Light Serum NAC Y2 clog pores?

Unlikely to Clog Pores Based on our analysis, Y Theorem Repair Light Serum NAC Y2 is unlikely to clog pores. None of its 23 ingredients have a comedogenic rating above 2.

Who makes 111SKIN Y Theorem Repair Light Serum NAC Y2?

This product is from 111SKIN. See more products from 111SKIN.

What are the ingredients in 111SKIN Y Theorem Repair Light Serum NAC Y2?

Y Theorem Repair Light Serum NAC Y2 contains 23 ingredients. The first ingredients listed are <a href="/ingredient/water" class="font-bold underline hover:text-cyan-700">Water</a>, <a href="/ingredient/glycerin" class="font-bold underline hover:text-cyan-700">Glycerin</a>, <a href="/ingredient/alcohol" class="font-bold underline hover:text-cyan-700">Alcohol</a>, <a href="/ingredient/benzyl-alcohol" class="font-bold underline hover:text-cyan-700">Benzyl Alcohol</a> and <a href="/ingredient/aloe-barbadensis-leaf-juice" class="font-bold underline hover:text-cyan-700">Aloe Barbadensis Leaf Juice</a>. Each ingredient includes a comedogenic rating, irritancy rating, and safety score. View the full annotated ingredient list above.

What do users say about 111SKIN Y Theorem Repair Light Serum NAC Y2?

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