Research Article
Rheology as a Tool to Predict the Release of Alpha-Lipoic Acid from Emulsions Used for the Prevention of Skin Aging
Table 1
Qualitative and quantitative (%w/w) composition of emulsions A and B.
| | Component (INCI name) | A | B |
| | Phase A | | | Behenyl alcohol, Polyglyceryl-10
Pentastearate, Sodium stearoyl lactylate | 4.00 | — | | Caprylic/capric triglyceride | 2.00 | — | | Octyl stearate | 1.00 | — | | Dibutyl adipate | 4.00 | — | | Ceteareth-20 | — | 3.00 | | Cetearyl alcohol | — | 3.00 | | Cetyl palmitate | — | 3.00 | | Isopropyl myristate | — | 4.00 | | PEG-75 lanolin | — | 2.00 | | Dimethicone copolyol | — | 1.00 | | Phase B | | | | BHT | 0.10 | 0.10 | | Carbomer | 2.00 | — | | EDTA | 0.10 | 0.10 | | Methylparaben | 0.18 | 0.18 | | Propylparaben | 0.02 | 0.02 | | Metabisulfite | 0.15 | 0.15 | | Triethanolamine | pH 6.00 | pH 6.00 | | Water | 80.45 | 77.45 | | Phase C | | | | Propylene glycol | 4.00 | 4.00 | | Alpha-lipoic acid | 2.00 | 2.00 |
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