They state they mimic natural cervical mucus, create an environment that supports sperm survival and motility, are compatible with sperm and embryos, and cite clinical testing and expert recommendation.
Products targeted at sensitive skin or microbiome health commonly advertise attributes like fragrance-free, paraben-free, hypoallergenic, glycerin-free, and pH-balanced formulations. One listing specifies a pH range of about 4.0–4.5.
Water-based gels are typically easy to rinse off and wash away with water for quick clean-up. Silicone lubricants tend to last longer, resist evaporation or breakdown in water, and are often recommended for use in showers or spas.