LoctiteÂ® RE-NEW is an innovative solution for repairing ugly looking caulk in your kitchen and bathroom. Easily repair moulding, yellowing and cracking old sealant joints in only one-step. No need to take out the old sealant, just pass over the existing sealant with Loctite RE-NEW specialty silicone for a long lasting and durable seal. As easy as using a highlighter with professional-like quality. Loctite RENEW is mould and mildew resistant once properly applied. One tube of Loctite RE-NEW covers one typical shower/tub application. RE-NEW your caulk like new, with Loctite RE-NEW.