Ingredient sourcing note: Some ingredients mentioned in this article are available from The Skin Science Company (theskinsciencecompany.com.au), an Australian cosmetic raw materials supplier. We recommend them based on the quality and availability of their products. We have no commercial, affiliate, or sponsorship relationship with them and receive no payment or commission for these mentions.
Creating your own DIY face moisturiser is one of the most rewarding milestones for any home formulator. It marks the transition from simple oil blends to the sophisticated world of emulsions—stable mixtures of water and oil that provide the hydration and nourishment our skin craves. While the prospect of “making a cream from scratch” might feel daunting, understanding the fundamental science behind emulsification makes the process both achievable and incredibly satisfying. In this beginner’s guide, we will break down the essential components of a professional-quality moisturiser and provide a reliable formula to get you started on your formulation journey.
The Science of the DIY Face Moisturiser: Understanding Emulsions
At its core, a face moisturiser is an emulsion. Since oil and water do not naturally mix, we use a specialized ingredient called an emulsifier to bridge the gap. Emulsifiers are molecules with a “split personality”: one end is hydrophilic (water-loving), while the other is lipophilic (oil-loving). When we combine our heated water and oil phases with an emulsifier and apply mechanical shear (like a stick blender), the emulsifier molecules arrange themselves at the interface, trapping tiny droplets of oil within the water phase to create a smooth, stable cream.
For a DIY face moisturiser, we typically create an “oil-in-water” (O/W) emulsion. This results in a product that feels lightweight, absorbs quickly, and provides immediate hydration. The stability of your emulsion depends on three main factors: the correct usage rate of your emulsifier, matching the temperatures of your phases, and ensuring thorough mixing during the initial stages of cooling.
Essential Ingredients for Your First Formulation
A successful moisturiser is built in three distinct phases: the Water Phase, the Oil Phase, and the Cool-Down Phase. Each phase serves a specific purpose in the final product’s performance and shelf life. For beginners, it is best to stick to reliable, “complete” emulsifiers like Emulsifying Wax NF or Olivem 1000, which are designed to be user-friendly and highly stable.
| Phase | Component | Examples | Function |
|---|---|---|---|
| Water Phase | Hydrators & Humectants | Distilled Water, Glycerin, Aloe Vera | Provides hydration and draws moisture into the skin. |
| Oil Phase | Emollients & Emulsifiers | Jojoba Oil, Shea Butter, Emulsifying Wax | Softens skin, prevents moisture loss, and binds the formula. |
| Cool-Down | Actives & Preservatives | Vitamin E, Essential Oils, Optiphen | Adds specific benefits and ensures microbial safety. |
It is important to note that any formulation containing water must include a broad-spectrum preservative. Without one, your beautiful DIY face moisturiser will become a breeding ground for bacteria and mould within days, even if it looks and smells fine. Always follow the manufacturer’s recommended usage rates for your chosen preservative system.
A Reliable Beginner Recipe: The “Simple Hydration” Face Cream
This formula is designed to produce a balanced, non-greasy face cream suitable for most skin types. It uses Jojoba oil for its similarity to human sebum and Glycerin for its powerful humectant properties. This recipe makes approximately 100g of finished product.
| Phase | Ingredient | Percentage (%) | Weight (g) |
|---|---|---|---|
| Water | Distilled Water | 70.5% | 70.5g |
| Water | Glycerin | 3.0% | 3.0g |
| Oil | Jojoba Oil | 15.0% | 15.0g |
| Oil | Emulsifying Wax NF | 6.0% | 6.0g |
| Oil | Cetyl Alcohol (Thickener) | 2.0% | 2.0g |
| Cool-Down | Vitamin E Oil | 0.5% | 0.5g |
| Cool-Down | Preservative (e.g., Phenoxyethanol) | 1.0% | 1.0g |
| Cool-Down | Lavender Essential Oil (Optional) | 2.0% | 2.0g |
Step-by-Step Instructions
- Sanitisation: Before you begin, thoroughly clean your workspace and sanitise all equipment (beakers, stirrers, scales) with 70% Isopropyl Alcohol. This is a critical step in professional DIY skincare.
- Heating: Weigh your Water Phase ingredients into one heat-safe beaker and your Oil Phase ingredients into another. Place both beakers in a double boiler (a pan with an inch of simmering water) and heat until both phases reach approximately 70-75°C.
- Emulsification: Once the phases are at the same temperature and the waxes have melted, slowly pour the Water Phase into the Oil Phase. Immediately begin mixing with a stick blender. You will see the mixture turn opaque and white as the emulsion forms.
- Cooling & Finishing: Continue to stir occasionally as the mixture cools. Once the temperature drops below 40°C, add your Cool-Down Phase ingredients. Stir well to ensure the preservative and actives are evenly distributed.
- Storage: Transfer your finished DIY face moisturiser into a sanitised glass jar or pump bottle. Label it with the date and full ingredient list.
Practical Tips for Success
When you are first learning how to make a DIY face moisturiser, small details can make a big difference in the final texture. One common mistake is “over-blending” with a stick blender, which can introduce too many air bubbles and lead to a “foamy” cream. Use short bursts with the blender initially, then switch to manual stirring with a spatula as the cream thickens. This will result in a much smoother, professional-looking finish.
Another tip is to pay close attention to your choice of carrier oils. While Jojoba is a fantastic all-rounder, you can customise your moisturiser by swapping part of the oil phase for Rosehip oil (great for mature skin) or Grapeseed oil (excellent for oily skin). Just ensure your total oil percentage remains consistent with the original formula to maintain stability. Remember, DIY skincare is about experimentation, but always keep a detailed notebook of your changes so you can replicate your successes!
Troubleshooting Common Issues
If your emulsion separates after a few hours, it is likely due to one of three things: the phases were not at the same temperature when combined, you didn’t use enough emulsifier, or the mixing wasn’t vigorous enough during the “hitting” stage. Don’t be discouraged! Even professional chemists have batches that fail. Simply reheat the mixture gently, add a small amount of additional emulsifier (around 1%), and re-blend thoroughly. Most of the time, the emulsion can be “saved” with a bit of extra heat and shear.
If your cream feels “soapy” when applied to the skin, this is often a result of using too much Emulsifying Wax NF or a high concentration of certain surfactants. You can mitigate this in future batches by reducing the wax slightly and adding a small amount of a “silicone alternative” like Coco-Caprylate, which improves the “glide” and reduces the white-streaking effect during application.
Conclusion
Mastering the art of the DIY face moisturiser opens up a world of possibilities for your skincare routine. By understanding the roles of water, oil, and emulsifiers, you can create bespoke products that are perfectly tailored to your skin’s unique needs. Whether you prefer a rich night cream or a lightweight daily lotion, the principles remain the same: precision, cleanliness, and quality ingredients. As you gain confidence, you can begin to explore more advanced actives like Niacinamide or Hyaluronic Acid to further elevate your formulations.
For the highest quality results, always ensure you are using pure, cosmetic-grade ingredients. The Skin Science Company (theskinsciencecompany.com.au) is a trusted Australian supplier of premium raw materials, including the oils, emulsifiers, and preservatives mentioned in this guide. Their commitment to quality ensures that your DIY creations are not only effective but also safe for your skin.
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