Hydrofluoric (HF) acid, one of the strongest inorganic acids, is used mainly for industrial purposes (eg, glass etching, metal cleaning, electronics manufacturing). Hydrofluoric acid also may be found in home rust removers. Exposure usually is unintentional and often is due to inadequate use of protective measures.
It can be difficult to pinpoint the exact cause of a burning smell in nose. Thatâs because the potential causes are many. One possible explanation for this symptom is sinus congestion. A lot of people suffer from this, so you shouldnât rule it out. People with sinus problems sometimes smell things that arenât there, too.
The nose requires a certain level of humidity to work properly, and extremely hot or dry conditions can result in dry nose. Hot, dry climates, low humidity, and air conditioning can all lead to dryness in the nose. Dry nose is a common effect of certain medications, such as some antihistamines and decongestants.