The only sure way to not get a STD is to abstain from sex. Next would be to be in a relationship with a infection free partner that will be faithful to you.
They were very effective
The waterproofing wash is highly effective in protecting outdoor gear from moisture and water damage.
Yes, non-latex condoms, such as those made from polyurethane or polyisoprene, are effective in preventing the transmission of STDs when used correctly and consistently.
STDs can be transmitted through sexual contact, blood-to-blood contact, or from mother to baby during childbirth. It is important to practice safe sex and get tested regularly to prevent the spread of STDs and protect your health.
Spray wax is effective in providing a glossy finish and protecting coats from water and dirt.
Tempered glass is highly effective in protecting a phone from damage. It is designed to absorb impact and prevent scratches, cracks, and shattering on the phone's screen.
A Faraday cage is very effective in protecting electronic devices from electromagnetic pulses (EMP) by blocking the electromagnetic radiation that can damage the devices.
Flavored condoms for oral are more for protecting against the body fluid contact for transferring STDs. If the guy is clean then there shouldn't be a need for a condom.
Yes, food-safe wood preservatives are effective in protecting wooden surfaces and are safe for food contact.
Lightning rods are effective in protecting buildings from lightning strikes by providing a path for the electrical current to safely travel to the ground, reducing the risk of damage to the structure.
The rain tent cover is highly effective in protecting against heavy rainfall and keeping the interior of the tent dry.
The waterproof nylon tarp is highly effective in protecting against rain and other elements during outdoor activities.