Compounding Bases


Spectrum Compounding Bases
Spectrum Pharmacy Products offers a new line of pharmaceutical bases to meet the unique needs of your patients and your formulations. Whether you are compounding for hormone replacement therapy, dermatology, veterinary applications or pain formulas, you can trust the performance of these high-quality bases from Spectrum. Our bases are designed for compounding efficiencies and high API loads. Most of the products are ready-to-use with no wetting required; this feature allows for active pharmaceuticals to be mixed directly into the cream bases, saving time and aiding effective formulation. The bases have undergone extensive performance and stability studies, all downloadable on the page below.
Spectrum has the right base to accommodate all concerns including skin type, sensitivities, and active ingredient compatibility. In addition to our new high-performance compounding bases, we continue to offer our Niosome-forming bases for enhanced absorption of commonly compounded APIs. Request your Free Base sample today! Ask your Sales Rep or call 800-370-6231.


Niosome Hormone Cream Base is a technology-enhanced base designed for hormone therapy, being capable of promoting absorption of hormones/APIs that are lipophilic, hydrophilic or amphiphilic. The product's hypoallergenic formulation contains no perfumes, dyes or parabens.


Niosome Hormone Cream Heavy Base is a technology-enhanced base designed for hormone therapy, beingcapable of promoting absorption of hormones/APIs that are lipophilic, hydrophilic or amphiphilic. The product's hypoallergenic formulation contains no perfumes, dyes or parabens. This base is able to deliver high concentrations of API's, permitting low volume administration.
What is your application?
Applications/Properties |
Pain |
Sports |
Dermatology |
Veterinary |
BHRT |
Durabase Advanced Cream |
✔ | ✔ | ✔ | ||
Durabase Cream |
✔ | ✔ | ✔ | ||
Lipocream Base |
✔ | ✔ | ✔ | ✔ | |
Omnibase |
✔ | ✔ | ✔ | ✔ | ✔ |
HRT Cream Botanical Base |
✔ | ||||
HRT Cream Base |
✔ | ||||
Niosome Cream Base |
✔ | ✔ | ✔ | ✔ | |
Niosome Cream Heavy Base |
✔ | ✔ | ✔ | ✔ | |
Niosome Hormone Cream Base |
✔ | ✔ | |||
Niosome Hormone Cream Heavy Base |
✔ | ✔ |


Why Choose Durabase Advanced Cream?
-
Increased stability with a high percent of APIs & multiple actives
-
Validated in vitro transdermal vehicle up to 8 APIs in one formulation
-
Less sticky & less tacky because of silogel (silicone-based organogel)
-
Off-white, cosmetically elegant cream
-
API compatibility – compatible with all actives, non-specific to salt
-
Time saving – ready-to-use base, no need for wetting or adding thickening agents
-
Ideal for formulations with multiple actives & high API loads


Durabase Advanced Cream Properties:
pH |
7.1 - 7.5 |
pH Compatibility |
Broad Range |
Specific Gravity |
0.90 g/mL |
Viscosity |
1,200,000 cps |
Physical Format |
Heavy Cream |
Color |
Off White |
Transdermal Penetration |
++++ |
API Compatibility |
Hydrophilic 30% & Lipophilic 40% - Total API Load - 40% |
Typical Applications |
Pain Management, Sports Medicine, Veterinary Medicine |
Download Studies
- Durabase - Advanced - Baclofen
- Durabase - Advanced - Baclofen 2
- Durabase - Advanced - Bupivacaine
- Durabase - Advanced - Cyclobenzaprine
- Durabase - Advanced - Cyclobenzaprine2
- Durabase - Advanced - Diclofenac
- Durabase - Advanced - Flurbiprofen
- Durabase - Advanced - Gabapentin
- Durabase - Advanced - Verapamil
- Durabase - Advanced - Ibuprofen
- Durabase - Advanced - Ketamine
- Durabase - Advanced - Ketoprofen
- Durabase - Advanced - Lidocaine HCl
- Durabase - Advanced - Lidocaine HCl2
- Durabase - Advanced - Pentoxifylline
- Durabase - Advanced - Transdermal Study 4 APIs DIPV
- Durabase - Advanced - Transdermal Study 4 APIs KGCB
- Durabase - Advanced - Transdermal Study 8 APIs


Why Choose Durabase Cream?
-
Efficacious active drug absorption
-
In vitro transdermal penetration & API compatibility
-
Temperature stable & shelf stable
-
Hydrophilic compatibility – high levels of ionic powders can be directly incorporated
-
Lipophilic compatibility – moderate levels of oil-soluble powders can be levigated with glycerin, propylene glycol, polyethylene glycol (PEG) 300 or 400, or alcohol
-
Cosmetically elegant – not tacky or sticky
-
Natural ingredients – resulting in less irritation


Durabase Cream Properties:
pH |
7.0 |
Specific Gravity |
1.00 g/mL |
Viscosity |
300,000 cps |
Physical Form |
Heavy Cream |
Color |
Light Beige |
Transdermal Penetration |
++++ |
API Compatibility |
Hydrophilic 35% & Lipophilic 10% - Total API Load - 35% |
Typical Applications |
Pain Management, Sports Medicine, Veterinary Medicine |


Why Choose Lipocream Base?
-
Cosmetically elegant – excellent moisturizing effect
-
Faster absorption & deeper penetration than HRT bases
-
API compatibility – virtually all actives Natural preservatives
-
Water & oil-soluble
-
Ideal for cosmetic facial applications
-
Paraben-free, fragrance-free and dye-free


Lipocream Base Properties:
pH |
6.0 |
Specific Gravity |
1.00 g/mL |
Viscosity |
250,000 cps |
Format |
Heavy Cream |
Color |
White |
Natural Ingredients |
Yes |
Transdermal Penetration |
++++ |
API Compatibility |
Hydrophilic 10% & Lipophilic 10% - Total API Load 20% |
Typical Applications |
Dermatology, Pain Management, Immunotherapy, Sports Medicine |
Recommended Use |
Higher API Loads, Dry/Dehydrated Skin, Chemical Peels, Pigmentation Treatments |


Why Choose Omnibase?
-
Mineral oil-free, gluten-free, and propylene glycol-free
-
Noncomedogenic
-
Enhanced drug absorption & penetration
-
Ideal for topical & vaginal preparations
-
Stable over a broad range pH
-
API compatibility – hydrophilic & lipophilic
-
Natural ingredients – moisturizers derived from berries, grapes, plums, and pears & emulsifiers derived from vegetable fatty acids & palm oil; thickening agents derived from coconut oil


Omnibase Properties:
pH |
7.0 |
Specific Gravity |
0.90 g/mL |
Viscosity |
250,000 cps |
Physical Format |
Heavy Cream |
Color |
White |
Transdermal Penetration |
++ |
API Compatibility |
Hydrophilic 10% & Lipophilic 20% - Total API Load - 30% |
pH Compatibility |
3.0-11.0 |
Salt Tolerance |
Salt Forms - 10% |
Solvent Compatibility |
Polar & Non-polar |
Typical Applications |
Hormone Replacement (topical & vaginal), Dermatology, |


Why Choose HRT Cream Botanical Base?
-
Sustained skin penetration and absorption
-
Paraben-free, fragrance-free and dye-free
-
Natural ingredients & natural preservatives
-
Added antioxidants, botanicals, and herbal extracts
-
Certified hypoallergenic
-
Cosmetically elegant
-
Ideal for topical or vaginal preparations


HRT Cream Botanical Base Properties:
pH |
6.5 |
Specific Gravity |
1.00 g/mL |
Viscosity |
60,000 cps |
Physical Format |
Light Cream |
Color |
Light Beige |
Natural Ingredients |
Yes |
Transdermal Penetration |
++ |
API Compatibility |
Lipophilic 20% |
Typical Applications |
Hormone Replacement |


Why Choose HRT Cream Base?
-
Sustained skin penetration and absorption
-
Paraben-free, fragrance-free and dye-free
-
Natural ingredients & natural preservatives
-
Certified hypoallergenic
-
Cosmetically elegant
-
Ideal for topical or vaginal preparations
-
Stability/potency of 180 days for common hormone API's


HRT Cream Base Properties:
pH |
7.5 |
Specific Gravity |
1.04 g/mL |
Viscosity |
165,000 cps |
Physical Format |
Cream |
Color |
White |
Natural Ingredients |
Yes |
Transdermal Penetration |
+++ |
API Compatibility |
Lipophilic 40% |
Typical Applications |
Hormone Replacement |


Why Choose Niosome Cream Base?
-
Smooth Texture and provide less oily feel than liposomes
-
Enhanced rate and extent of adsorption of common API's
-
Capable of entrapping hydrophilic, lipophilic and amphiphilic API's in the Niosome


Niosome Cream Base Properties:
pH |
4.0 – 8.0 |
Specific Gravity |
0.90-1.10 g/mL |
Viscosity |
60,000 cps |
Physical Format |
Light Cream |
Color |
Off-White |
Transdermal Penetration |
++++ |
API Compatibility |
Hydrophilic 10%, Lipophilic 10%, Amphiphilic 10% Total API Load 20% |
Typical Applications |
Dermatology, Pain Management, Sports Medicine, Veterinary |


Why Choose Niosome Cream Heavy Base?
-
Higher API loads and solvent concentrations
-
Enhanced rate and extent of adsorption of common API's
-
Smooth and less oily than liposomes
-
Capable of entrapping hydrophilic, hydrophobic and amphiphilic APIs in the Niosome


Niosome Cream Heavy Base Properties:
pH |
4.0 – 8.0 |
Specific Gravity |
0.90-1.10 g/mL |
Viscosity |
110,000 cps |
Physical Format |
Heavy Cream |
Color |
Off-White |
Transdermal Penetration |
++++ |
API Compatibility |
Hydrophilic 30%, Lipophilic 40%, Amphiphilic 30% Total API Load 40% |
Typical Applications |
Dermatology, Pain Management, Sports Medicine, Veterinary |


Why Choose Niosome Hormone Cream Base?
-
Contains no perfumes or dyes
-
Paraben free
-
Sustained transdermal penetration of lipophlic, hydrophilic and amphiphilic APIs
-
Ideal for vaginal preparations


Niosome Hormone Cream Base Properties:
pH |
4.0 – 8.0 |
Specific Gravity |
0.90-1.10 g/mL |
Viscosity |
9,000 cps |
Physical Format |
Light Cream |
Color |
Off-White |
Transdermal Penetration |
+++ |
API Compatibility |
Lipophilic 20%, Hydrophilic 10%, Amphilphilic 10% |
Typical Applications |
Hormone Replacement, Dermatology |


Why Choose Niosome Hormone Cream Heavy Base?
-
Higher API loads and solvent concentrations
-
Contains no perfumes or dyes
-
Paraben free
-
Sustained transdermal penetration of lipophlic, hydrophilic and amphiphilic APIs
-
Ideal for vaginal preparations


Niosome Hormone Cream Base Properties:
pH |
4.0 – 8.0 |
Specific Gravity |
0.90-1.10 g/mL |
Viscosity |
110,000 cps |
Physical Format |
Heavy Cream |
Color |
Off-White |
Transdermal Penetration |
+++ |
API Compatibility |
Hydrophlic 30%, Lipophilic 40%, Amphiphilic 30% |
Typical Applications |
Hormone Replacement, Dermatology |