Silicone lubricant is a synthetic, polymer-based personal lubricant designed to be durable and slick. It is valued for its longevity and reduced need for reapplication compared to other lubricant types. Its chemical structure resists breakdown from friction and moisture, providing extended performance.
Fundamental Composition and Properties
Silicone lubricants are chemically distinct from water-based or oil-based options, consisting mainly of silicone polymers such as dimethicone or cyclomethicone. Dimethicone (polydimethylsiloxane or PDMS) is a clear, odorless fluid known for its exceptional lubricating qualities and silky texture. These long-chain silicone molecules are derived from silica, which is sourced from sand and quartz.
A defining feature of this polymer structure is its hydrophobic nature, meaning the lubricant repels water. This property is responsible for its extended performance, as it does not dissolve or wash away easily in moist environments like showers or pools. The polymers are also non-porous, allowing the lubricant to remain slick on the skin’s surface for a longer duration than water-based alternatives.
The inert qualities of silicone lubricants mean they are non-irritating and hypoallergenic, offering a smooth glide that minimizes friction. Because a small amount delivers lasting slickness, reapplication is needed much less frequently. This composition enhances spreadability without feeling overly sticky or tacky.
Essential Material Compatibility Issues
The chemical structure that gives silicone lubricant its superior performance also creates material compatibility issues. The primary concern is the interaction between the lubricant and products made of silicone rubber. When the silicone polymers in the lubricant come into prolonged contact with silicone accessories, a chemical reaction occurs based on the principle of “like dissolves like.”
The lubricant is absorbed into the toy’s cured silicone elastomer, acting as a plasticizer. This absorption causes the toy to swell, soften, and lose its original firm shape and non-porous texture. Over time, the toy’s surface can become tacky, sticky, or even disintegrate, rendering it unusable.
This degradation compromises hygiene by creating microscopic pores and crevices where bacteria can harbor. Once the material is damaged, the toy cannot be properly sanitized. In contrast, silicone lubricant is safe to use with non-porous, hard materials such as glass, metal, hard plastic, ceramic, and wood.
Safe Application and Removal
Due to the concentrated slickness and longevity of the formula, users should apply silicone lubricant sparingly, as a small amount goes a long way. Its water-repellent nature makes it suitable for use in environments where water-based lubricants would quickly wash away. It maintains its lubricating properties even when exposed to moisture, making it a popular choice for baths or showers.
Removing silicone lubricant requires more than just rinsing with water because of its hydrophobic nature. To clean it from the skin, fabric, or surfaces, soap and friction are necessary to break down the polymer chains. A mild soap and warm water are sufficient for the skin, though specialized cleansers are also available.
For cleanup on fabrics or bedding, prompt action is recommended, as the lubricant can stain if left to set. Applying a degreasing agent like dish soap or an enzyme-containing pre-treatment to the affected area is effective. Rubbing alcohol or denatured alcohol can also dissolve the residue from hard surfaces. After treating the stain, washing the item and air-drying it is recommended, as heat from a dryer can permanently set the stain.