Rector Advisor, Vice Dean, and Faculty Member - Istanbul Kent University, Faculty of Pharmacy, Departmant of Pharmocology
Visiting Researcher&Lecturer - University College London, Mechanical Engineering and Faculty of Medicine, UK
Visiting Lecturer - University of Aveiro, Faculty of Biomedical Engineering, Portugal
Visiting Researcher&Lecturer - University College London, Mechanical Engineering and Faculty of Medicine, UK
Visiting Lecturer - University of Aveiro, Faculty of Biomedical Engineering, Portugal
"Cosmetic ingredients used together can create a synergistic effect, leading to more effective results and balanced skin health."
COSMETIC THAT SHOULD BE USED TOGETHER
| Combination | Effect | Usage | Who | Warning |
| Niacinamide + Zinc | Acne control, sebum balance | Morning and/or evening | Oily or acne-prone skin | Should not be used with acids |
| Niacinamide + Retinol | Retinol renews skin, niacinamide soothes | Evening | Mature and dry skin | Use with caution during pregnancy |
| Niacinamide + Azelaic Acid | Anti-inflammatory synergy for rosacea and acne | Morning and/or evening | Oily skin types | Avoid strong acids in same routine |
| Niacinamide + Arbutin | Suppresses melanin, brightens skin tone | Night | Sensitive and dry skin | Monitor irritation-prone skin |
| Peptide + Copper Peptide | Collagen increase, elasticity | Morning | Sensitive, bruised skin | Use in low concentrations around eyes |
| Caffeine + Green Tea Extract | Reduces under-eye puffiness and dark circles | Evening | Dry or mature skin | Should support barrier repair |
| AHA + PHA | Gentle exfoliation and skin renewal | Evening | Sensitive | Caution around eye area |
| Aloe Vera + Panthenol | Soothes irritation, sunburn, sensitivity | Day and night | Sensitive and dry skin | Start after allergy testing |
| Salicylic Acid + Lactic Acid | Pore cleansing, skin renewal | Evening | Oily and combination skin | Recommended for night use only |
| Salicylic Acid + Tea Tree Oil | Antibacterial, anti-inflammatory (acne) | Evening | Oily and acne-prone skin | Use with caution with niacinamide |
| Hyaluronic Acid + Glycerin | Deep hydration, retains water | Morning | Dry skin types | Should be supported with moisturizer |
| Vitamin C + Vitamin E + Ferulic Acid | Increases antioxidant power 4x, reduces UV damage | Morning | Oily skin types | May be drying in high doses |
| Retinol + Peptides | Renews skin, restores barrier | Evening | Dry or mature skin | Apply with SPF in morning |
| Retinol + Bakuchiol | Enhances retinol effect, reduces irritation | Evening | Spot-prone skin | Apply with SPF in morning |
| Retinol + Ceramide | Repairs barrier after renewal | Evening | Mature skin | Alternate use with retinol at night |
| Hyaluronic Acid + Vitamin C | Radiance and intense hydration | Morning | All skin types | Vitamin C must be stable |
