Proposition 65 entitles California consumers to warnings for products that contain chemicals known to California to cause cancer and birth defects or other reproductive harm if those products expose consumers to such chemicals above certain threshold levels.ĪESwave provides the following warning for products linked to this page: Please see the California state government official website for more information: California Proposition 65 Proposition 65 requires businesses to notify Californians about significant amounts of chemicals in the products they purchase.