Use it every time you wash your hair, allowing it to sit on your scalp for two to five minutes before rinsing
However, using it during pregnancy may require doctors to consider its benefits and risks

Other metabolic and urological causes to consider include: Chronic kidney disease : Metabolic syndrome and diabetes can damage kidney function, affecting the kidneys' ability to concentrate urine Hypercalcaemia : Elevated calcium levels can impair kidney concentrating ability Urinary tract infections : Particularly in women, causing frequency with dysuria (painful urination) Overactive bladder syndrome : A common condition causing urgency and frequency Benign prostatic hyperplasia : In men over 50, causing obstructive urinary symptoms Pregnancy : A common cause of urinary frequency in women of childbearing age Diabetes insipidus : A rare condition affecting water regulation Excessive fluid intake : Including caffeinated beverages and alcohol Obstructive sleep apnoea , which is more prevalent in people with obesity and NAFLD, can cause nocturnal polyuria (night-time urination) due to hormonal changes affecting fluid regulation during disrupted sleep

These warning signs warrant urgent evaluation
Lakhani I, Wong MV, Hung JKF et al (2021) Diagnostic and prognostic value of serum C-reactive protein in heart failure with preserved ejection fraction: a systematic review and meta-analysis