BeforeAfter↔Hair
Scalp care and fuller-looking hair.
DIY or ready-made →KING DIY LAB · SAN DIEGO
Your skincare,
your way.
Ready-to-use serums, raw ingredients and tools for your next creation.
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Slide left or right on each photo to compare. Tap a goal to choose DIY or a ready-made serum.
Illustrative before & after examples — not actual customer results or a prediction of results.
BeforeAfter↔
BeforeAfter↔Wrinkles
Care for the appearance of fine lines.
DIY or ready-made →
BeforeAfter↔Firming
Smoother, firmer-looking skin.
DIY or ready-made →
BeforeAfter↔Brightening
A brighter, more even-looking complexion.
DIY or ready-made →
BeforeAfter↔Under-Eye
Refresh the look of tired under-eyes.
DIY or ready-made →
BeforeAfter↔Beard
Conditioning for a fuller-looking beard.
DIY or ready-made →
BeforeAfter↔Body
Hydration and smoother-looking body skin.
DIY or ready-made →
BeforeAfter↔Hydration
Comfort for dry-feeling skin.
DIY or ready-made →
BeforeAfter↔Lashes & Brows
Conditioning for lashes and brows.
DIY or ready-made →
BeforeAfter↔Skin Texture
Softer, smoother-looking skin.
DIY or ready-made →
BeforeAfter↔Visible Pores
Care for the appearance of pores.
DIY or ready-made →
BeforeAfter↔Dry Scalp
Care for a dry-feeling scalp.
DIY or ready-made →
Create with confidence.
Recipes, practical guides and step-by-step videos.
KNOW WHAT YOU NEED?
Quick Shop
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RAW INGREDIENT
Sodium Citrate
What it is
A raw cosmetic ingredient for making your own topical formulas. This is not a ready-to-use serum.
Benefits
Buffering ingredient · pH control
How to Use
For suitable water-based formulas as part of a designed buffering system. Measure and verify final pH with a calibrated meter; check compatibility with the other ingredients. Use as part of a complete cosmetic formula; check final pH, preservation and stability. Not for direct application or injection.
For topical cosmetic use only. Patch test before first use.
Price
20 g / $18
Review your order →Advanced Details / DIY Lab
For suitable water-based formulas as part of a designed buffering system. Measure and verify final pH with a calibrated meter; check compatibility with the other ingredients. Use as part of a complete cosmetic formula; check final pH, preservation and stability. Not for direct application or injection.
U.S. shipping · FREE with FREESHIP150 on orders $150+ after discounts. Below $150: $15 with serums or a Home Lab Kit; $10 for other orders.
Optional extra shipping insurance · $2
KING DIY LAB · HOME LAB
Build your home lab.
Choose individual tools or save with the complete kit.
Shop individual tools
1 device
Magnetic Stirrer
Adjustable-speed mixing for your cosmetic formulations. Beakers sold separately.
Photo shows the stirrer with both beakers. Each item is sold separately here.
$25
View details
1 kg / 0.1 g
Digital Pocket Scale
Portable weighing with a protective lid and a clear digital display. 1 kg capacity; 0.1 g readability. Not suitable for measuring milligram peptide doses.
$20
View details
1 device
Digital pH Meter
Check the pH of your water-based formulas. Calibration powders sold separately.
$25
View details
1 tray
Stainless Steel Tray
Keep your small lab tools together on a reusable stainless steel tray.
$12
View details3 powder packets
pH Calibration Kit
Three buffer powders: pH 4.00, 6.86 and 9.18. Prepare according to the packet instructions.
$10
View details
1 × 50 mL
50 mL Glass Beaker
A small graduated glass beaker for preparing and pouring cosmetic batches. One 50 mL beaker included.
Photo shows the stirrer with both beakers. Each item is sold separately here.
$5
View details1 × 100 mL
100 mL Glass Beaker
A graduated glass beaker for mixing your cosmetic formulas. One 100 mL beaker included.
Photo shows the stirrer with both beakers. Each item is sold separately here.
$7
View details
3 sizes
3-Piece Lab Spatula Set
Three stainless steel spatulas in different sizes for transferring cosmetic powders.
$6
View detailsCOMPLETE KIT OFFER
One workspace. Everything together.
Eight selections. One complete kit.
$90Bought separately $110Save $20
Kit contents
- Magnetic Stirrer$25
- Digital Pocket Scale$20
- Digital pH Meter$25
- Stainless Steel Tray$12
- pH Calibration Kit$10
- 50 mL Glass Beaker$5
- 100 mL Glass Beaker$7
- 3-Piece Lab Spatula Set$6
Free U.S. shipping with code FREESHIP150 on orders $150+ after discounts; otherwise $15 for orders containing the kit.
IN DEVELOPMENT
Coming Soon
New formulations and lab products are being prepared by KING DIY LAB.
KPV
Skin-conditioning peptide for cosmetic formulations.
Explore product →4D HA Platinum Blend
Our next-generation multi-molecular hyaluronic acid blend.
Acetyl Tetrapeptide-3
A new cosmetic peptide for hair and scalp formulations.
COMING SOONDr. Pen Micro-Infusion Skin Needling Stamp Kit
A coordinated kit with serum ampoules, single-use stamp heads and hydrating sheet masks.
View Dr. Pen product details ↗Raw Ingredients
$60 / 60 mLor2 for $100
Mix & match any two 60 mL bottles. Pair savings apply to ready-to-use serums only.
Browse rollers, stamps, devices and replacement heads. Swipe through the photos to see each kit.
COMING TO KING DIY LAB
Dr. Pen · Coming Soon
Explore upcoming skin care tools and kits.
COMING SOONDr. Pen Micro-Infusion Skin Needling Stamp Kit
A coordinated kit with serum ampoules, single-use stamp heads and hydrating sheet masks.
View Dr. Pen product details ↗Raw ingredients
Cosmetic formulation ingredientsChoose a pack quantity. Open a product card for its full description. For cosmetic formulation use only.
View full price listLEARN WITH KING DIY LAB
Video Lab
Practical demonstrations and ingredient guides with King and Queen.Serum-Making Basics with King
Follow King through preparing tools, weighing powder, measuring water, mixing, checking pH, bottling and applying a clear serum. 1 minute 7 seconds. Illustrative techniques, not a complete recipe.
Explore related guides →Peptide Mixing Demonstration
A short visual demonstration of weighing powder and preparing a hyaluronic acid base. Illustrative footage; consult a complete, verified formulation before mixing.
Explore related guides →Copper Peptide Hair & Scalp Demonstration
A visual introduction to serum preparation and scalp application. Illustrative footage; consult a complete, verified formulation before mixing.
Explore related guides →GHK-Cu + SYN-AKE with King
King’s serum-mixing tutorial with formulation notes and lab tips.
Peptide Skincare with Queen
Queen introduces Argireline, Matrixyl and SYN-AKE, with realistic expectations and routine tips.
3D Hyaluronic Acid with King
Watch King’s complete 3D HA tutorial.
SNAP-8 with Queen
Queen introduces SNAP-8 and hyaluronic acid in this short ingredient video.
LAB EDUCATION
Learn with King & Queen
Watch ingredient guides and step-by-step mixing tutorials.
FOR DIY CUSTOMERS
DIY Lab
Recipes, ingredient guides and formulation tools, together in one place.
Explore the DIY Lab →FORMULATION TOOL
Recipe Builder
Calculate cosmetic topical ingredient amounts for your serum batch.Cosmetic topical formulation only. Confirm each ingredient’s supplier specification, solubility, pH range, preservation system, and recommended use level before making a product. Not for injection.
