Is Excellence 5.5 Mahogany Brown Safe? Ingredient Analysis
L'Oreal
This page reviews Excellence 5.5 Mahogany Brown by L'Oreal as a skincare. Its current score is 60/100, suggesting that it looks generally acceptable but still includes some ingredients worth reviewing.
If you want the short version, start with these flagged ingredients: Ammonium Hydroxide, Toluene 2 5 Diamine.
60 / 100
Why score is 60
The product contains several synthetic ingredients like ammonium hydroxide and toluene-2,5-diamine, which raise safety concerns. However, it also includes beneficial components like glycerin and hydrolyzed oats.
Main concern
Contains ammonium hydroxide, a strong alkaline agent that can cause irritation and damage to hair if misused.
Why it matters: This ingredient is flagged in our analysis based on regulatory and scientific sources. Check the Ingredients section for details and see Data sources for methodology.
Regulation status: Ingredient safety is assessed from EU/EPA/CIR and similar databases; formulations may vary. Always read the product label.
Pros
- Contains glycerin, a humectant that helps retain moisture in hair, contributing to hydration.
- Includes hydrolyzed oats, which can provide conditioning benefits and improve hair texture.
Concerns
- Contains ammonium hydroxide, a strong alkaline agent that can cause irritation and damage to hair if misused.
- Includes toluene-2,5-diamine, a synthetic dye that may pose health risks and is associated with allergic reactions.
Ingredients breakdown
The ingredient notes below are written to explain what each ingredient does in this skincare and why it matters.
-
Is Water safe in this skincare?
Good
Water is used here as base. Water serves as a solvent in this formulation, helping to dissolve other ingredients and facilitate application.
Role in formula: base
Original: AQUA / WATER
-
Is Cetearyl Alcohol safe in this skincare?
Medium
Cetearyl Alcohol is used here as emulsifier. Cetearyl alcohol acts as an emulsifier and thickener, providing a creamy texture but can be irritating for some individuals.
Role in formula: emulsifier
Original: CETEARYL ALCOHOL
-
Is Glycerin safe in this skincare?
Good
Glycerin is used here as humectant. Glycerin is a humectant that attracts moisture to the hair, enhancing hydration and softness.
Role in formula: humectant
Original: GLYCERIN
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Is Hydrolyzed Oats safe in this skincare?
Good
Hydrolyzed Oats is used here as natural_extract. Hydrolyzed oats provide conditioning properties, improving hair texture and manageability.
Role in formula: natural_extract
Original: HYDROLYZED OATS
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Is Ammonium Hydroxide safe in this skincare?
Bad
Ammonium Hydroxide is used here as alkaline_agent. Ammonium hydroxide is a strong alkaline agent used to open hair cuticles but can lead to damage and irritation.
Role in formula: alkaline_agent
Original: AMMONIUM HYDROXIDE
-
Is Toluene 2 5 Diamine safe in this skincare?
Bad
Toluene 2 5 Diamine is used here as colorant. Toluene-2,5-diamine is a synthetic dye that can cause allergic reactions and is associated with health risks.
Role in formula: colorant
Original: TOLUENE-2,5-DIAMINE
How we score
Our safety scores and ingredient breakdowns are based on regulatory and scientific sources. See Data sources & methodology and How Zerotox works for full details.
Product info
Product ID: 4279875
More from this brand: L'Oreal products in Zerotox
Similar products: skincare in Zerotox database
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