1
|
Salicylic Acid in Ethanol vs Glycerol:
Vehicle Type
|
Salicylic Acid in Ethanol:
- Volatile
- Fast Penetrating Solvent
|
Salicylic Acid in Glycerol:
- Humectant
- Viscous
- Slow Penetration
|
2
|
Salicylic Acid in Ethanol vs Glycerol:
Polarity
|
Salicylic Acid in Ethanol:
|
Salicylic Acid in Glycerol:
- Low Polarity
- More hydrophilic
|
3
|
Salicylic Acid in Ethanol vs Glycerol:
Solubility
|
Salicylic Acid in Ethanol:
|
Salicylic Acid in Glycerol:
|
4
|
Salicylic Acid in Ethanol vs Glycerol:
Evaporation
|
Salicylic Acid in Ethanol:
|
Salicylic Acid in Glycerol:
|
5
|
Salicylic Acid in Ethanol vs Glycerol:
pH Effect
|
Salicylic Acid in Ethanol:
- More Acidic Feel
- Dries fast
|
Salicylic Acid in Glycerol:
|
6
|
Salicylic Acid in Ethanol vs Glycerol:
Irritation Potential
|
Salicylic Acid in Ethanol:
- High
- Especially on mucosa adjacent skin
|
Salicylic Acid in Glycerol:
|
7
|
Salicylic Acid in Ethanol vs Glycerol:
Esterification Risk
|
Salicylic Acid in Ethanol:
- High -> Desiccation of epithelium
- Needs Heat or Acid Catalyst
|
Salicylic Acid in Glycerol:
- Low -> Hydration maintained
- No Esterification possible
|
8
|
Salicylic Acid in Ethanol vs Glycerol:
Stinging/Burning
|
Salicylic Acid in Ethanol:
- Common
- On Sensitive Skin
- On Damaged Skin
|
Salicylic Acid in Glycerol:
- Rare
- Unless combined with Alcohol
|
9
|
Salicylic Acid in Ethanol vs Glycerol:
Use on Intimate Areas
|
Salicylic Acid in Ethanol:
- Not Recommended
- Too Irritant
|
Salicylic Acid in Glycerol:
- Preferred for Peri Anal Hyperchromia
- Preferred for Genital Hyperchromia
|
10
|
Salicylic Acid in Ethanol vs Glycerol:
Specific Indications
|
Salicylic Acid in Ethanol:
- Oily Zones
- Non Sensitive Zones
- Keratotic Zones
|
Salicylic Acid in Glycerol:
- Sensitive Skin
- Thin Skin
- Hyperpigmented Mucosa Adjacent Skin
|
11
|
Salicylic Acid in Ethanol vs Glycerol:
Indications for Keratotic Zones
Skin areas with thickened stratum corneum (hyperkeratosis)
typically due to friction, pressure, or chronic irritation.
|
Salicylic Acid in Ethanol:
-
Upper back
-
Elbows
-
Knees
-
Buttocks
-
Plantar feet
|
Salicylic Acid in Glycerol:
|