The internal "sucker" sleeves were difficult to remove and dry, leading to hygiene concerns. The "Fixed" Edition: What’s New?
The original designs, however, were flawed. They were prone to clogging, lacking adequate suction control, and often damaged the very sperm cells they were trying to save. mayli sperm sucker fixed
The old plastic leached phthalates. The new "Fixed" model is ISO 10993 certified for biocompatibility—meaning it does not kill sperm on contact. The internal "sucker" sleeves were difficult to remove
Only use water-based lubricants. Silicone-based lubes will degrade the internal components of the sleeve, leading to tears that ruin the vacuum seal. lacking adequate suction control