AHA Moisturizing Lotion

Hallstar

This moisturizing lotion contains 5% Glycolic Acid in a base of mild emollients and emulsifiers at a moderately acidic pH to deliver younger looking skin through enhanced moisturization and exfoliation. Product preservation from microbial insult is provided by the most water-soluble of parabens, CoSept™ M and CoSept™ E.

Phase

Product

INCI Name

Supplier

Volume

Water (aqua) (deionized)

74.04

Versene™ NA1

Disodium EDTA

0.05

CoSept™ M2

Methylparaben

0.20

CoSept™ E2

Ethylparaben

0.10

Superol™ K, Glycerine 99.7% USP/FCC Kosher3

Glycerin

1.51

Caprylic/Capric Triglyceride

5.11

HallStar® IPP2

Isopropyl Palmitate

1.53

HallStar® PEG 4400 MS2

PEG-100 Stearate

1.02

HallStar® GMS Pure2

Glyceryl Stearate

4.74

HallStar® CO-1695 Cetyl Alcohol NF2

Cetyl Alcohol

1.53

DuPont™ Glypure® 994

Glycolic Acid

5.10

Sodium Hydroxide NF5

Sodium Hydroxide [50% aqueous]

5.07

Preparation:

Use strong mixing, without aeration, throughout. To main vessel add B and start mixing. Add B in order, and heat to 75°C –80°C. In a separate vessel, combine C and heat with mixing to 77°C–82°C. Add D, in order, to C when contents are above 50°C. Mix until uniform at 77°C–82°C. Add C–D to A–B with continuous mixing. Maintain at 75°C–80°C for 20–25 minutes, then, with continued mixing, start cooling batch to room temperature. Slowly add E when batch is at 30°C. When uniform, adjust final pH to 3.5–4.0 with F. When batch is again uniform, perform final quality assurance checks.

Notes:

PROPERTIES (25°C) Appearance White lotion pH 3.6 Viscosity (after 24hrs RV, T-D, 5, 20 & 100 rpm; cP): 1200, 600 & 320 Stability (three freeze-thaw cycles): Passed Stability (four months at 45°C) Passed SUPPLIERS 1 Dow Chemical 2 HallStar 3 P&G Chemicals 4 DuPont 5 General Chemical

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