The number of people is drastically decreasing. Is everyone afraid of being trapped? I stabilized and brushed 16 times today with $AIO 500u, and then brushing once more with 400u is fine. Even if trapped, it won't be much; daily wear is 1.5u for 15 minutes.
Disclaimer: Includes third-party opinions. No financial advice. May include sponsored content.See T&Cs.