Feedback on Your Brightening Cream Formula

Thank you for sharing your proposed cream formula for oily skin with acne marks, aiming for brightening. Based on the feedback provided by the staff:

Penetration Enhancer

For your formula type, the staff recommends using Phospholipid (Hydrogenated Lecithin) at 3% as a penetration enhancer. This is considered more suitable than Reservoir-Tech for this specific formulation.

Formula Suitability and Adjustments

Your proposed formula is generally suitable, but the staff suggests the following adjustments:

• Active Resveratrol™: Reduce the concentration from 7% to 3%. High concentrations might cause stickiness, which is particularly undesirable for oily skin.
• Preservative: You must add a preservative to the formula. The staff recommends Mild Preserved Eco at 1%.
• Other ingredients in your list are considered appropriate.

Adjusted Night Cream Formula (Example Components):

• Water (adjust percentage to 100% total)
• Safe-B3™ (Vitamin B3, Niacinamide) 5%
• GlucoBright™ 4%
• Active Resveratrol™ 3% (Adjusted)
• Satin Cream Maker™ 1.5%
• Disodium EDTA 0.2%
• AcneBee™ Extra 1%
• Willow Bark Extract (Natural Salicylic Acid) 5%
• MSH White Absorb™ 5%
• Phospholipid (Hydrogenated Lecithin) 3% (Added)
• Mild Preserved Eco 1% (Added)

Adjusted Day Cream Formula:

For the day cream, you would exclude Active Resveratrol™ and MSH White Absorb™ as planned, but still include Phospholipid 3% and Mild Preserved Eco 1%, adjusting the water phase percentage accordingly.

Remember to adjust the percentage of the water phase (น้ำกลั่น) to ensure the total formula adds up to 100% after incorporating these ingredients and their recommended percentages.