The Sensitive Brush Head is ideal for new users, daily care and general cleansing. Comes standard with most models. A Year of Clean Skin Available for a limited time only, these Clarisonic Brush Head Value Packs include four brush heads, enough for one full year of clean skin. Brush head replacement is recommended every three months. Each value pack is enclosed in a durable storage box, and each brush head includes a convenient three month reminder removable sticker to place on your mirror or other smooth surface. Value Pack Benefits. 4 Brush Heads = 1 Year's Supply. Great Value: Buy 3 Receive 1 Complimentary. Convenient Storage Box and Reminder Stickers.