1 / 5Just For Men Ultra A10 Sandy Blonde Hair Colour
Sandy: Just For Men Ultra A10 is a comb-in hair colour for covering grey in a blonde shade. The listing describes a no-mix, 10-minute application that shampoos out, with colour claimed to last up to six weeks until grey regrows.
At a glance
- Comb-in application is described as a way to target areas of grey.
- The listing says no mixing is required and shampoo removes the product after 10 minutes.
- The stated colour duration is up to six weeks, or until grey regrows.
- The product is described as ammonia-free.
Reference price: £8.90
Price checked: 12 Nov 2026
View offerAhead of Black FridayExplore the selectionOften bought together
Just for men Moustache & Beard Sandy Blonde Dye M10 | Eliminates grey for a thicker & fuller look, made with coconut oil & aloe vera
£7.99
Just for men Original Formula Sandy Blonde Hair Dye H10 | Hair dye that targets grey hair with natural hair colour . Long lasting formula whilst rejuvenating hair for a fuller look
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Pros and cons
Pros
- The comb-in applicator is intended for controlled application to grey areas rather than broad, untargeted coverage.
- A stated 10-minute application and no-mix format may suit buyers looking for a short, simple routine.
Cons
- Customer feedback includes reports of no visible effect and a shade darker than expected, so results may not match every buyer’s expectations.
Technical specifications
17 specifications| Brand | Just For Men |
|---|---|
| Model | UK ULTRA A10 |
| Shade | A-10 Blond |
| Product type | Liquid |
| Hair type | normal |
| Recommended use | Cover gray hair |
| Hair colour permanence | Temporary |
| Benefits | Gentle, Long-Lasting, Nourishing |
| Ammonia-free claim | Ammonia free |
| Number of items | 1 |
| Package information | Bottle |
| Application time | Just comb-in and shampoo out. It takes only 10 minutes |
|---|---|
| Colour duration | Lasts up to 6 weeks until the grey grows back |
| Application method | Easy comb-in applicator for controlled application to where the grey is |
| Over-darkening claim | Shuts itself off so it can't go too dark |
| Hair feel claim | Leaves hair feeling soft and manageable |
| Dimensions listed | 7.45 x 4.45 x 15.4 cm; 70 g |
|---|
What to know before buying
- The listing calls the product both temporary and a hair colour lasting up to six weeks, so permanence and wear expectations are not fully consistent. Shade naming also varies between A-10 Blond, Blonde A10 and Sandy Blonde. Check the selected pack’s shade and instructions before use. Hair colourants can cause severe allergic reactions. Follow the enclosed directions, perform the stated skin allergy alert test 48 hours before each use, avoid use in the listed situations, and do not use on eyebrows or eyelashes.
Who is it for?
A good fit for
- Buyers wanting a comb-in hair colour aimed at covering grey in a blonde shade.
- People who prefer a no-mix product with a stated 10-minute application.
Less suited to
- Buyers who need a guaranteed shade match or consistent results, given reported mixed colour and effectiveness experiences.
- Anyone unwilling or unable to follow the hair-colour allergy precautions and patch-test directions.
Customer reviews on Amazon
- 5 stars
57% 57% - 4 stars
16% 16% - 3 stars
10% 10% - 2 stars
5% 5% - 1 star
12% 12%
Customer feedback highlights ease of application and a natural-looking result, but reports on effectiveness, shade, quality and value are mixed. Some say it works well, while others describe no effect or a darker-than-expected colour. That matters if you need dependable grey coverage or a precise blonde match. The listing’s comb-in method and claimed short application time describe the intended process, not a guarantee of the result.
Positive themes
- Customers describe it as easy to apply and some appreciate its natural-looking result.
Negative themes
- Some customers report no effect and say the shade is darker than expected.
Mixed feedback
- Feedback is divided on effectiveness, colour outcome, quality and value for money.
Frequently asked questions
How is Just For Men Ultra A10 applied?
The listing describes a no-mix comb-in application followed by shampooing out after 10 minutes. Follow the instructions supplied with the selected product.
How long is the colour claimed to last?
The listing says up to six weeks, until grey grows back, but it also labels permanence as temporary. Treat the duration as a listing claim and check the pack details.
What shade is Ultra A10?
The shade appears as A-10 Blond, Blonde A10 and Sandy Blonde in different listing details. Confirm the wording on the selected pack if shade matching matters.
What allergy precautions apply?
The listing warns that hair colourants can cause severe allergic reactions. It says to read and follow the instructions and complete a skin allergy alert test 48 hours before each use.
Alternative options
Just For Men 1-Day Beard and Brow Colour Brush-In, Wash-Out, Dark Brown | Easily brush in for beard and brow to temporariliy cover greys. Simply brush in and wash out
£7.39
Just For Men Control GX Beard Wash, Reduces Grey - All Shades, 118 ml | CGX beard colour shampoo gradually reduces grey with every wash, increasing volume for a thicker, fuller look
£5.92
Just for men Touch of Grey T35 | Achieve a salt & pepper look by gradually reducing a little grey. No ammonia or peroxide. Works within 5 minutes
£6.97
Nanogen Hair Thickening Fibres Grey, Root Touch Up Powder, 15 g | Natural Keratin Volume Concealer for Thinning Crown, Bald Spots and Wide Parting, Men, Women, 1 Month Supply
£18.23
Clairol Root Touch-Up Permanent Hair Dye
£4.86
Just For Men Beard and Brow Colour, Brush-In, Wash-Out, Real Black | Easily brush in for beard and brow to temporariliy cover greys. Simply brush in and wash out
£8.01
Just for men Original Formula Dark Brown Hair Dye H40 | Hair dye that targets grey hair with natural hair colour . Long lasting formula whilst rejuvenating hair for a fuller look
£5.69
Just For Men Control GX 2in1 Grey Reducing Shampoo and Conditioner, 177 ml | Men's hair color shampoo, gradually reduces grey, coconut oil & aloe vera, all shades, improved formula, daily use
£9.49
Nanogen Hair Thickening Fibres Light Blonde, Root Touch Up Powder, 15 g | Natural Keratin Volume Concealer for Thinning Crown, Bald Spots and Wide Parting, Men, Women, 1 Month Supply
£17.95
