Amazon Basics Concentrated Liquid Laundry Detergent, Free of Perfumes & Clear of Dyes

A high-performance, enzyme-enriched liquid laundry detergent designed for effective stain removal and fabric brightening while utilizing biodegradable chelating agents.

Performance Rating: 4.1

The formulation contains C12-15 Alcohols Ethoxylated, which is a highly effective non-ionic surfactant for removing grease and oils. The inclusion of Protease and Amylase enzymes ensures superior removal of protein and starch-based stains. Tetrasodium Iminodisuccinate acts as a powerful biodegradable chelating agent to manage hard water, while the 2-Propenoic Acid Telomer serves as an effective anti-redeposition agent, preventing soil from settling back onto fabrics during the wash cycle.

Safety Rating: 2.5

The presence of Methylisothiazolinone (MIT) and Benzisothiazolinone (BIT) is a significant concern as these are well-documented contact allergens and skin sensitizers. Additionally, the inclusion of unspecified Fragrances can cause respiratory or skin irritation for sensitive individuals. While Tetrasodium Iminodisuccinate is an environmentally friendly builder, the preservative profile limits the safety score for users with reactive skin.

Final Rating: 3.4

This is a high-performing detergent that leverages modern enzymatic technology and effective surfactants to provide a thorough clean. However, its reliance on isothiazolinone preservatives makes it less suitable for consumers with sensitive skin or allergies. It represents a strong balance between cleaning power and industrial-standard preservation, though it falls short of being a ‘green’ or ‘hypoallergenic’ choice.

Verdict

This liquid laundry detergent formula is a robust cleaning solution that balances modern chemical engineering with specialized biological additives. The primary cleaning power comes from C12-15 Alcohols Ethoxylated, a highly effective non-ionic surfactant that excels at breaking down oils and general soilage across various water temperatures. To enhance this performance, the inclusion of Protease and Amylase enzymes ensures that tough, organic stains—such as protein-based blood or grass and starch-based food spills—are chemically dismantled rather than just surface-scrubbed. This makes the product particularly effective for households with children or athletes where heavy staining is common. One of the standout features of this formulation is the use of Tetrasodium Iminodisuccinate, which serves as a chelating agent. Unlike traditional EDTA, which persists in the environment, this ingredient is readily biodegradable and helps to soften hard water, preventing minerals from interfering with the surfactants. This ensures the detergent remains efficient even in challenging water conditions. Additionally, the presence of 2-Propenoic Acid Telomer and Styrene/Acrylic Polymers acts as an anti-redeposition system, keeping loosened dirt suspended in the wash water so it does not settle back onto clean fabrics during the cycle. However, consumers should be mindful of the preservative system used to maintain shelf life. The combination of Methylisothiazolinone (MIT) and Benzisothiazolinone (BIT) is highly effective at preventing microbial growth, but these compounds are well-known skin sensitizers. For individuals with a history of contact dermatitis or eczema, these ingredients can trigger localized allergic reactions. Furthermore, the inclusion of Fragrances adds a pleasant scent but may also pose a risk to those with specific chemical sensitivities. The Sodium Hydroxide used as a pH adjuster is neutralized in the final solution but indicates a formula designed for high-alkalinity cleaning power. In conclusion, this detergent is a premium, enzyme-boosted cleaner that offers excellent value for heavy-duty laundry needs. It provides a sophisticated approach to stain management and fabric care through its multi-pronged attack on dirt. While it is not a strictly hypoallergenic formula, its use of environmentally conscious chelators shows a responsible approach to modern detergent manufacturing. It is an ideal choice for general household use but may be unsuitable for those requiring a completely ‘free and clear’ product profile.

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Ingredient Evaluation

📁 Solvents / 溶剂

🧪 Water / 水

Purpose: Main solvent and base liquid

Concerns: None

Notes: The primary carrier for all other ingredients.

🧪 Ethanol / 乙醇

Purpose: Solvent and viscosity modifier

Concerns: May cause skin dryness in high concentrations

Notes: Helps stabilize the formula and dissolve organic components.

📁 Surfactants / 表面活性剂

🧪 C12-15 Alcohols Ethoxylated / C12-15 醇聚氧乙烯醚

Purpose: Primary cleaning agent

Concerns: Can cause skin and eye irritation

Notes: A non-ionic surfactant effective at removing oily soils.

📁 Chelating Agents and Builders / 螯合剂和助洗剂

🧪 Tetrasodium Iminodisuccinate / 亚氨基二琥珀酸四钠

Purpose: Water softener and chelating agent

Concerns: Minimal

Notes: A green, biodegradable alternative to EDTA/NTA that prevents mineral interference.

📁 Polymers and Dispersants / 聚合物和分散剂

🧪 2-Propenoic Acid, Telomer / 2-丙烯酸端基聚合物

Purpose: Soil anti-redeposition agent

Concerns: May persist in the environment

Notes: Keeps loosened dirt suspended in water so it doesn’t settle back on clothes.

🧪 Modified Styrene/Acrylic Polymer / 改性苯乙烯/丙烯酸聚合物

Purpose: Opacifying agent or soil release agent

Concerns: Environmental concerns regarding microplastics

Notes: Provides the liquid with a milky or opaque appearance.

📁 Enzymes / 酶制剂

🧪 Protease Enzyme / 蛋白酶

Purpose: Breaks down protein-based stains

Concerns: Potential skin sensitizer or respiratory irritant in powder form

Notes: Targets stains like blood, grass, and food.

🧪 Amylase Enzyme / 淀粉酶

Purpose: Breaks down starch-based stains

Concerns: Minimal

Notes: Targets stains like chocolate, gravy, and pasta.

📁 pH Adjusters / pH 调节剂

🧪 Sodium Hydroxide / 氢氧化钠

Purpose: pH balancer

Concerns: Highly corrosive in raw form; safe when neutralized in formula

Notes: Used to adjust the final product’s alkalinity for optimal cleaning.

📁 Preservatives / 防腐剂

🧪 Methylisothiazolinone / 甲基异噻唑啉酮

Purpose: Antimicrobial preservative

Concerns: Known contact allergen (MIT)

Notes: Prevents bacterial and mold growth in the product.

🧪 Benzisothiazolinone / 苯并异噻唑啉酮

Purpose: Antimicrobial preservative

Concerns: Can cause skin sensitization

Notes: Often used in combination with other preservatives for broad-spectrum protection.

📁 Fragrance and Functional Additives / 香精及功能性添加剂

🧪 Fragrances / 香精

Purpose: Adds pleasant scent

Concerns: May contain undisclosed allergens

Notes: Improves user experience by masking chemical odors.

🧪 1,4-Diphenylbutadiyne / 1,4-二苯基丁二炔

Purpose: Functional additive or stabilizer

Concerns: Limited safety data for general consumer cleaning use

Notes: A specific organic compound likely used for stabilization or as a trace aromatic component.