Cotton is a preferred for Herbal heat and cold pack

 When choosing an herbal hot and cold pack, the durability and quality of the material are crucial factors, especially since these packs are frequently used and require heating or cooling. 

 Advantages of 100% Cotton Fabric

Natural and Hypoallergenic: Cotton is a natural fiber that is gentle on the skin, making it an ideal choice for those with sensitive skin or allergies. It does not irritate the skin as some synthetic fabrics might.

Breathability: Cotton's natural breathability allows for good air circulation, which is important when the pack is heated. This helps in maintaining a comfortable temperature against the skin and prevents excessive sweating.

Durability: Cotton is known for its strength and durability, which is essential for products that undergo frequent temperature changes and handling. This means that cotton packs can withstand multiple uses and washes, maintaining their integrity over time.

Softness: Cotton remains soft even after repeated washes, providing a comfortable feel whether used hot or cold. This softness enhances the user's comfort during therapy sessions, making the experience more pleasant.

Heat and Moisture Management: Cotton is effective in managing the release of heat and the absorption of moisture. This is beneficial for heat therapy as it helps distribute the warmth evenly and absorbs any moisture caused by heat, providing a soothing experience without getting too damp.

Washability: Being machine washable and easy to care for, cotton covers for hot and cold packs are practical for maintaining hygiene. The ability to remove and wash the cover after several uses helps keep the pack clean and hygienic, which is particularly important for items used in direct contact with the skin.

 Considerations
Shrinkage: Cotton can shrink when washed in hot water, so it's important to follow care instructions carefully, usually opting for cold water washes and gentle drying cycles.

Weight: Depending on the weave and thickness, cotton fabric can be relatively heavier than some synthetics, which might be a consideration if the pack is particularly large or intended for use on sensitive areas like the eyes.

 100% cotton is an excellent material for herbal hot and cold packs due to its natural, hypoallergenic properties, durability, and comfort. When purchasing or customizing a pack, opting for a high-quality cotton fabric can significantly enhance the therapeutic benefits and longevity of the product.