The Art of Hemp Care: A Comprehensive Guide to Textile Longevity

Understanding the Bast Fiber

To care for hemp, you must first understand what it is. Unlike cotton, which comes from a fluffy boll, hemp is a bast fiber. This means the fibers are harvested from the inner bark of the plant's stalk. These fibers are exceptionally long and strong, designed by nature to support a plant that can grow 15 feet tall in just 100 days.

Because these fibers are hollow, hemp is highly breathable and absorbent. This "hollow core" is also what allows hemp to be so thermoregulating—keeping you cool in the summer and warm in the winter. However, this porosity also means it can hold onto minerals from hard water or natural plant oils, which is why a proper washing routine is essential.

The Golden Rules of Washing

In the UK, our water can range from extremely soft to aggressively hard. For hemp, this matters. Hard water minerals can settle into those hollow fibers, making the fabric feel stiff or "crunchy" after air drying.

1. Temperature Control

Always aim for a "Cool to Warm" wash—ideally 30°C to 40°C. While hemp can technically withstand higher temperatures, heat is the enemy of longevity. Frequent hot washes will gradually break down the natural pectins that hold the fibers together, leading to premature thinning of the fabric.

2. Choosing the Right Detergent

Hemp thrives with pH-neutral, biodegradable detergents. Many mainstream detergents contain optical brighteners and synthetic enzymes that are too abrasive for natural bast fibers. We recommend brands like Ecover or Method, which you can find through our partners at Natural Collection

Solving the "New Hemp" Scent

New hemp garments often carry a distinct, earthy, "hay-like" scent. This is not a chemical residue; it is the natural smell of the plant’s essential oils. While some love this organic aroma, others prefer a neutral scent.

The Baking Soda Fix: For a new item, add 100g of baking soda directly into the drum with your laundry. Baking soda is an alkaline powder that effectively neutralizes acidic plant odors without damaging the integrity of the fabric.

Drying and Softening: The "Agitation" Secret

The most common complaint about hemp is that it feels stiff when it comes off the line. This is a characteristic of all bast fibers (including linen). To get that "buttery soft" feel, you need mechanical agitation.

• The Hybrid Method: Line dry your hemp until it is about 90% dry. Then, pop it into the tumble dryer on a "No Heat" or "Low Heat" fluff cycle for 10 minutes with two or three wool dryer balls.
• The Snap Method: If you don't have a dryer, give the garment several vigorous snaps or shakes before hanging it, and again once it is dry. This physical movement breaks the "hydrogen bonds" that form as water evaporates, instantly softening the texture.

Stain Removal for the Eco-Conscious

Accidents happen, but you don't need heavy chemicals to save your hemp shirt. Because hemp is so absorbent, you must act fast.

For Grease Stains: Apply a small amount of clear dish soap (like Ecover) directly to the area and let it sit for 30 minutes before washing.

For Protein Stains (Blood/Sweat): Use an oxygen-based whitener or a simple paste of lemon juice and salt. Apply to the stain and place the garment in direct sunlight. The UV rays act as a natural catalyst for the lemon juice, gently bleaching the stain without harming the fiber.

Long-Term Storage in the UK Climate

Hemp is naturally moth-resistant—moths generally prefer animal proteins like wool or silk. However, because hemp is highly absorbent, it can attract mildew if stored in a damp environment (like an unheated attic or a basement closet).

Storage Tip: Always ensure hemp is 100% dry before folding. Store in breathable cotton bags rather than plastic tubs, which trap moisture and can lead to "yellowing" over several months.