Bur Bur Growing Season Burdock Hair Growth Oil Review — Is It Worth It? [2026]
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Bur Bur Growing Season Burdock Hair Growth Oil
Bur Bur's best-selling weekly scalp and hair oil, built around burdock root, nettle, bakuchiol and olive squalane, meant to be left on before shampooing.
Is the Bur Bur Growing Season oil worth buying?
If you like a weekly pre-shampoo oil ritual and want a plant-based one with a big real review base, yes, it is a solid pick. $56 for 50 ml is not cheap, and the 'hair growth' language is the brand's, so treat it as a scalp and hair care treatment first. The brand cites an independent study showing a shedding reduction of nearly 50 percent after 50 days, but says the results are based on consumer perception, so read that number with a raised eyebrow.
A weekly treatment, not a daily styling oil
The oil is designed to go on dry hair before shampooing. You massage it into the scalp, cover from root to tip, leave it for at least 45 minutes (two hours or more for best results), then shampoo and condition normally. Bur Bur recommends 1 to 2 times a week for about 90 days. The bottle is 1.7 oz (50 ml) and the listed pH is 4.3.
What makes it stand out
Burdock, nettle, bakuchiol and squalane
The base is olive fruit oil infused with burdock root and nettle leaf extract, with jojoba, plant squalane, baobab, argan and sunflower oils, bakuchiol, rosemary and a vitamin C derivative. There are also rice, quinoa and amaranth proteins in the mix.
Pre-shampoo, 45 minutes to overnight
It is a leave-on treatment before washing, so plan it around a weekend or an evening. Damaged or coarse hair can leave it on overnight. Finer hair may need a double cleanse, and Bur Bur suggests a non-sulfate shampoo afterwards.
Essential oils included
Grapefruit, bergamot, clary sage and vanilla give it a scent. The ingredient list flags naturally occurring components like limonene and linalool. If you react to fragrance or citrus oils, do a patch test first, which the brand recommends too.
Full spec sheet
| Size | 1.7 oz / 50 ml |
| Type | Pre-shampoo botanical hair and scalp oil |
| Key ingredients | Burdock, nettle, bakuchiol, olive squalane, vitamin C derivative |
| Claims | Vegan, natural, dermatologist tested |
| pH | 4.3 |
| Hair types | All hair types |
| Frequency | 1–2 times a week, about 90 days |
| Leave-on time | At least 45 minutes, 2+ hours suggested |
| Returns | Email within 14 days of receipt |
| Shipping | Free US standard shipping over $80 |
Pros & Cons
Pros
- 406 reviews at 4.8 is a large, credible sample
- Plant-based, vegan-labeled formula with a full ingredient list published
- Simple weekly routine with clear instructions
- Works for a wide range of hair types, including textured hair
- Also usable as a few-drop styling or leave-in oil on coarse hair
Cons
- $56 for 50 ml is a premium price
- Contains essential oils and fragrance allergens
- The 'growth' claims and shedding study rely on consumer-perception data
- A leave-on time of 45+ minutes is a real time investment
- Free shipping only starts at $80 for US orders
Answers before you buy
How often should I use it?
How long do I leave it on?
Can I use it on textured hair?
Is it vegan?
What is the return window?
A well-reviewed ritual oil with a premium price
The Growing Season oil earns its reputation with hundreds of positive reviews and a sensible plant-based formula. Buy it for the routine and the scalp and hair feel, and keep your expectations on 'growth' realistic.
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