The 3-month rule

Dental guidance is consistent: replace a brush head every three months, or sooner if the bristles are visibly splayed. Worn bristles clean less effectively and can irritate gums.

Signs a head needs replacing

Frayed or flattened bristles, faded indicator color, or a less effective clean are all signals to swap the head. Teach these signals in product copy to drive timely repurchase.

Turning refills into recurring revenue

Because the handle is a one-time purchase and heads are consumable, refill sales are the most reliable source of repeat revenue in the category. Bundling multi-packs and offering subscription options converts a one-off buyer into a repeat customer.

Stocking the right assortment

Offer cleaning, gum-care and whitening heads so each customer can find a match. Individually sealed packaging is expected in most retail markets and supports hygiene claims.

Frequently Asked Questions

How often should brush heads be replaced?
Every 3 months, or sooner if the bristles are visibly worn.
What are the signs of a worn head?
Splayed or flattened bristles and a less effective clean.
Are refills a good margin product?
Yes, they are the recurring-revenue engine of the sonic toothbrush category.
Can I bundle heads with the handle?
Yes, bundling raises average order value and improves retention.