10 Best Detergent For Wool Sweaters 2025 in the United States

Dirty Labs Hand Wash and Delicates detergent is a specialized product designed for fine fabrics, including wool sweaters. Its hyper-concentrated formula means you get 32 loads out of a small 8.6 fl oz bottle, making it space-efficient and potentially cost-effective. The detergent is scent-free, which is great for individuals with sensitive skin or those who prefer no fragrance.

It uses advanced enzyme cleaning technology called Phytolase to target stains and odors specifically. The detergent is pH-balanced to be gentle on delicate materials. It does not contain lanolin, which some wool care products do use, but it is dermatologically tested and safe for sensitive skin, making it recognized by the National Eczema Association (NEA).

The product is also eco-friendly, being non-toxic, biodegradable, and free from harmful chemicals like sulfates, dyes, parabens, and chlorine bleach. Additionally, it’s cruelty-free, vegan, and hypoallergenic, adding to its appeal for eco-conscious consumers. This detergent offers a strong balance of environmental benefits, safety for delicate fabrics, and effective cleaning performance, making it a suitable choice for wool sweater care, especially for those prioritizing eco-friendliness and skin safety.

Outback Gold Wool Wash is a liquid detergent specifically crafted for delicate fabrics such as wool, cashmere, silk, and sheepskin. One of its notable strengths is its neutral pH level, designed to preserve the integrity of protein fibers like cashmere and angora while preventing damage, making it suitable for delicate and heirloom pieces.

The formulation is enzyme-free, which is a plus for maintaining the softness of these fine fibers. It uses natural, plant-based ingredients, positioning it as an eco-friendly option that is gentle on both fabrics and septic systems. This makes it a good choice for individuals with sensitive skin or those washing baby items.

Additionally, it's versatile enough for both handwashing and machine washing, with a mild original scent that won't overpower your garments. Ideal for anyone looking for a gentle, eco-conscious detergent for their delicate woolens, its US-made quality adds a reassuring touch for those mindful of origin.

The Laundress Wool & Cashmere Shampoo is a concentrated detergent designed specifically for delicate fabrics like wool, cashmere, merino, and mohair. One of its main strengths is the updated double-concentrated formula, which is made from bio-based ingredients, making it more eco-friendly. This concentration means you get 31 laundry loads from a single 16oz bottle, making it quite economical. The liquid form has a lightweight consistency, which helps in less messy dosing, though you will need to purchase a separate measuring cup for precise dosing.

The detergent is phosphate-free, aligning well with eco-friendly considerations. It also features a cedar scent, which is a modern twist on a traditional woodsy fragrance. This might appeal to some users, although those who prefer fragrance-free detergents might find this a drawback. Additionally, the cedar scent is designed to be softer for a gentler clean, which is a positive for those with sensitive noses.

The enzyme-free formula is a plus as enzymes can be harsh on wool fibers. Lastly, it’s made in the USA and is a top seller in the Health & Household category, which speaks to its popularity and reliability. This detergent is a good choice for individuals looking to care for their woolen garments with an eco-friendly and effective cleaning solution, provided they don't mind the cedar fragrance.