Prescribers can adjust hydroquinone beyond the commercial 4% ceiling (up to 8% for refractory cases), swap the steroid component based on patient sensitivity, add tranexamic acid or cysteamine for resistant pigmentation, and choose vehicle bases optimized for different skin types and climates
Step 3: Use an Essence (Optional) An essence is one of the products that many beginners find confusing because it sits somewhere between a toner and a serum
This is the color of the chemicals and will wash off later
Some reviews have called DSIP a still unresolved riddle, meaning the evidence is promising but not definitive
However, notably in a PCP model of schizophrenia, only 30 mg/kg, but not 3 or 10 mg/kg, rescued defects in hyperlocomotion and PPI, in stark contrast to cell culture models where lower models were more beneficial ( in vivo (Table 2)
doi: 10.1067/mcp.2000.106574 90 TienY