Formulation Feedback

Thank you for sharing your gel formulation! Let's look at the percentages of Pro Polymer and Phenoxyethanol, and discuss the potential texture for nighttime use.

Pro Polymer (2%)

Your usage of Pro Polymer at 2% is within the recommended range (0.5-5%). The optimal percentage depends on the desired gel thickness and the presence of other ingredients, particularly electrolytes (like salts from extracts or Disodium EDTA), which can reduce viscosity. At 2%, you should achieve a noticeable gel texture. Keep in mind that Pro Polymer can cause a slight sticky feeling initially upon application, similar to high molecular weight Hyaluronic Acid. If your formula contains significant electrolytes, 2% might be necessary to get the desired gel, but it could contribute to stickiness.

Phenoxyethanol (0.8%)

The percentage of Phenoxyethanol at 0.8% is appropriate for preservation in cosmetic formulations and falls within the typical recommended range (0.5-1.0%).

Potential Stickiness for Nighttime Use

Your formula contains a high concentration of active ingredients, which collectively can contribute to the overall feel and potential stickiness, especially for a nighttime product where a lighter texture is often preferred.

Ingredients and percentages that are likely contributing to the texture:

• Pro Polymer (2%): As mentioned, can cause initial stickiness.
• Sea Kelp Bioferment (10%): This is at the higher end of the recommended range (1-10%, with 1-3% recommended for general skin care). High percentages of extracts can sometimes add to stickiness or a heavier feel.
• Centella Asiatica Extract (Madecassoside) (5%): Your percentage is significantly higher than the generally recommended rate (0.1-2%, with 1% recommended). Using a high percentage like this might not fully dissolve or disperse, potentially affecting the texture and contributing to a heavier feel.

Suggested Adjustments

To potentially reduce stickiness and achieve a lighter feel suitable for nighttime, consider the following adjustments:

1. Reduce Centella Asiatica Extract: Lowering the percentage of Centella Asiatica Extract to the recommended range of 1-2% would still provide beneficial effects while likely improving the texture.
2. Consider reducing Sea Kelp Bioferment: While 10% is within the allowed range, reducing it to 3-5% could help lighten the texture without losing significant benefits. You could test different percentages to find a balance between efficacy and feel.
3. Evaluate Pro Polymer based on texture: After adjusting the extracts, test the gel texture. If it's still too thick or sticky, a slight reduction in Pro Polymer could be considered, but ensure the formula remains properly gelled. If it becomes too thin, you might need to keep Pro Polymer at 2% or slightly higher depending on the electrolyte content.

Testing the adjusted formula is the best way to determine the final texture and make sure it meets your preference for a nighttime gel.