Latex allergy is an allergic reaction to the proteins present in the milky sap of the Hevea brasiliensis rubber tree. Latex allergy is also known as a natural rubber latex allergy. Latex allergy generally develops after repeated exposure to medical and consumer products containing natural rubber latex. Allergy to latex may pose a serious health In addition to being made with 100-percent natural latex, these condoms are anti-slip and thinner than most other condom brands for ultra sensitivity. Pro tip: For anal play, try out the ribbed or The healing process was facilitated by the broad-spectrum antimicrobial action of AgNPs, in combination with the angiogenic properties of the latex material.[81,82,83] The natural rubber latex is under development for biomedical materials such as condoms, surgical gloves, and for hospital protective "wears." Actually, the benefits of the Latex: 80% of condoms are made of this, as latex does the best job both of preventing pregnancy and STIs. It's also thin, non-porous and cheap to produce (and so to buy). It's also thin, non The condom itself is made from natural rubber latex and cornstarch powder. It's lubricated with medical-grade silicone oil. But keep in mind that due to the latex, these condoms aren't Best Luxury Condoms. There's a reason for the hefty price tag on these bad boys. LELO HEX condoms are made with a unique, hexagonal structure that maximizes strength and sensitivity. The inside is textured to prevent slip. These rubbers are spermicide-free and made with natural latex. The allergenic components in products made of natural rubber latex (NRL), which can induce IgE-mediated type I allergies and symptoms in exposed people, are proteins of the milk of the rubber tree, Hevea brasiliensis . So far, 17 NRL allergens and isoforms with a molecular weight of 4.7 - 60 kD have been described: Hev b 1 - 14 . The next advance in condom materials was the discovery of rubber latex. Latex is the term used to describe a mix of polymers in water. Rubber latex is a milky liquid found in many plants, notably rubber trees. Latex condoms were thinner and stronger than their rubber counterparts, able to stretch to up to 800% their original size before breaking. Polyisoprene: A newer type of non-latex external condom is also available. These synthetic rubber sheaths have a feel, durability, and elasticity more similar to latex than polyurethane. Polyisoprene condoms are held to the same industry standards and have passed the same physical test requirements that are required of latex condoms. KEP Synthetic Polyisoprene. Synthetic polyisoprene is a synthetic polymer produced by polymerizing petroleum-derived raw material. This process creates a versatile and pure polymer. The K-440 synthetic polyisoprene compound offered at KEP provides many of the same properties as natural rubber latex, without the latex allergen concerns. K-440 meets FDA requirements for many food contact 76ID.